Triangular sequence: f(n) = Product[Prime[a]*k + Prime[b], {k,0,n}]; a = 2; b = 1; t(n,m) = Numerator[f(n)/(f(n-m)*f(m))].

A154096

Triangular sequence: f(n) = Product[Prime[a]*k + Prime[b], {k,0,n}]; a = 2; b = 1; t(n,m) = Numerator[f(n)/(f(n-m)*f(m))].

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =11a(8) =11a(9) =1a(10) =1a(11) =7a(12) =77a(13) =7a(14) =1a(15) =1a(16) =17a(17) =119a(18) =119a(19) =17a(20) =1a(21) =1a(22) =2a(23) =17a(24) =119a(25) =17a(26) =2a(27) =1a(28) =1a(29) =23

External references