Sequences

392,541 sequences

Numerator of sum_{p prime, p-1 divides 2*n} 1/p.A027761
Numerator of sum_{p prime, p-1 divides 2*n} 1/p.
Denominator of Sum_{p prime, p-1 divides 2*n} 1/p.A027762
Denominator of Sum_{p prime, p-1 divides 2*n} 1/p.
Smallest k such that 2^^n is not congruent to 2^^(n-1) mod k, where 2^^n denotes the power tower 2^2^...^2 (in which 2 appears n times).A027763
Smallest k such that 2^^n is not congruent to 2^^(n-1) mod k, where 2^^n denotes the power tower 2^2^...^2 (in which 2 appears n times).
a(n) = (n+1)*binomial(n+1,4).A027764
a(n) = (n+1)*binomial(n+1,4).
a(n) = (n+1)*binomial(n+1,5).A027765
a(n) = (n+1)*binomial(n+1,5).
a(n) = (n+1)*binomial(n+1,6).A027766
a(n) = (n+1)*binomial(n+1,6).
a(n) = (n+1)*binomial(n+1,7).A027767
a(n) = (n+1)*binomial(n+1,7).
a(n) = (n+1)*binomial(n+1,8).A027768
a(n) = (n+1)*binomial(n+1,8).
a(n) = (n+1)*binomial(n+1, 9).A027769
a(n) = (n+1)*binomial(n+1, 9).
a(n) = (n + 1)*binomial(n + 1, 10).A027770
a(n) = (n + 1)*binomial(n + 1, 10).
a(n) = (n+1)*binomial(n+1,11).A027771
a(n) = (n+1)*binomial(n+1,11).
a(n) = (n+1)*binomial(n+1,12).A027772
a(n) = (n+1)*binomial(n+1,12).
a(n) = (n+1)*binomial(n+1,13).A027773
a(n) = (n+1)*binomial(n+1,13).
a(n) = (n+1)*binomial(n+1,14).A027774
a(n) = (n+1)*binomial(n+1,14).
a(n) = (n+1)*binomial(n+1, 15).A027775
a(n) = (n+1)*binomial(n+1, 15).
a(n) = (n+1)*binomial(n+1,16).A027776
a(n) = (n+1)*binomial(n+1,16).
a(n) = 2*(n+1)*binomial(n+2,4).A027777
a(n) = 2*(n+1)*binomial(n+2,4).
a(n) = 5*(n+1)*binomial(n+2, 5)/2.A027778
a(n) = 5*(n+1)*binomial(n+2, 5)/2.
a(n) = 3*(n+1)*binomial(n+2,6).A027779
a(n) = 3*(n+1)*binomial(n+2,6).
a(n) = 7*(n+1)*binomial(n+2,7)/2.A027780
a(n) = 7*(n+1)*binomial(n+2,7)/2.
a(n) = 4*(n+1)*binomial(n+2,8).A027781
a(n) = 4*(n+1)*binomial(n+2,8).
a(n) = 9*(n+1)*binomial(n+2,9)/2.A027782
a(n) = 9*(n+1)*binomial(n+2,9)/2.
a(n) = 5*(n+1)*binomial(n+2,10).A027783
a(n) = 5*(n+1)*binomial(n+2,10).
a(n) = 11*(n+1)*binomial(n+2,11)/2.A027784
a(n) = 11*(n+1)*binomial(n+2,11)/2.
a(n) = 6*(n+1)*binomial(n+2,12).A027785
a(n) = 6*(n+1)*binomial(n+2,12).
a(n) = 13*(n+1)*binomial(n+2,13)/2.A027786
a(n) = 13*(n+1)*binomial(n+2,13)/2.
a(n) = 7*(n+1)*binomial(n+2,14).A027787
a(n) = 7*(n+1)*binomial(n+2,14).
a(n) = 15*(n+1)*binomial(n+2,15)/2.A027788
a(n) = 15*(n+1)*binomial(n+2,15)/2.
a(n) = 2*(n+1)*binomial(n+3,4).A027789
a(n) = 2*(n+1)*binomial(n+3,4).
a(n) = 10*(n+1)*binomial(n+3,5)/3.A027790
a(n) = 10*(n+1)*binomial(n+3,5)/3.
a(n) = 5*(n+1)*binomial(n+3,6).A027791
a(n) = 5*(n+1)*binomial(n+3,6).
a(n) = 7*(n+1)*binomial(n+3,7).A027792
a(n) = 7*(n+1)*binomial(n+3,7).
a(n) = 28*(n+1)*binomial(n+3,8)/3.A027793
a(n) = 28*(n+1)*binomial(n+3,8)/3.
a(n) = 12*(n+1)*binomial(n+3,9).A027794
a(n) = 12*(n+1)*binomial(n+3,9).
a(n) = 15*(n+1)*binomial(n+3,10).A027795
a(n) = 15*(n+1)*binomial(n+3,10).
a(n) = 55*(n+1)*binomial(n+3,11)/3.A027796
a(n) = 55*(n+1)*binomial(n+3,11)/3.
a(n) = 22*(n+1)*binomial(n+3,12).A027797
a(n) = 22*(n+1)*binomial(n+3,12).
a(n) = 26*(n+1)*binomial(n+3,13).A027798
a(n) = 26*(n+1)*binomial(n+3,13).
a(n) = 91*(n+1)*binomial(n+3,14)/3.A027799
a(n) = 91*(n+1)*binomial(n+3,14)/3.
a(n) = (n+1)*binomial(n+4, 4).A027800
a(n) = (n+1)*binomial(n+4, 4).
a(n) = 5*(n+1)*binomial(n+4,5)/2.A027801
a(n) = 5*(n+1)*binomial(n+4,5)/2.
a(n) = 5*(n+1)*binomial(n+4,6).A027802
a(n) = 5*(n+1)*binomial(n+4,6).
a(n) = 35*(n+1)*binomial(n+4, 7)/4.A027803
a(n) = 35*(n+1)*binomial(n+4, 7)/4.
a(n) = 14*(n+1)*binomial(n+4,8).A027804
a(n) = 14*(n+1)*binomial(n+4,8).
a(n) = 21*(n+1)*binomial(n+4,9).A027805
a(n) = 21*(n+1)*binomial(n+4,9).
a(n) = 30*(n+1)*binomial(n+4,10).A027806
a(n) = 30*(n+1)*binomial(n+4,10).
a(n) = 165*(n+1)*binomial(n+4,11)/4.A027807
a(n) = 165*(n+1)*binomial(n+4,11)/4.
a(n) = 55*(n+1)*binomial(n+4,12).A027808
a(n) = 55*(n+1)*binomial(n+4,12).
a(n) = 143*(n+1)*binomial(n+4,13)/2.A027809
a(n) = 143*(n+1)*binomial(n+4,13)/2.
a(n) = (n+1)*binomial(n+5, 5).A027810
a(n) = (n+1)*binomial(n+5, 5).