55188
domain: N
Appears in sequences
- Numbers k such that Pi^k - 1/phi is closer to its nearest integer than any value of Pi^j - 1/phi for 1 <= j < k.at n=14A080281
- Riordan array (1/sqrt(1-6x+5x^2),x/(1-6x+5x^2)).at n=49A111965
- Expansion of s(q)^4 in powers of q where s() is a cubic AGM function.at n=20A133078
- a(n) = floor((-1 + 4^n)/(-1 + 2*n)).at n=9A191636
- Dziemianczuk's array S(i,j) read by antidiagonals.at n=19A232973
- Smallest number k such that k*n +/- 1, k*n^2 +/- 1, and k*n^3 +/- 1 are three sets of twin primes. a(n) = 0 if no such number exists.at n=18A239021
- Number of binary words of length n such that for every prefix the number of occurrences of subword 101 is larger than or equal to the number of occurrences of subword 010.at n=17A260668
- a(n) = floor(2^(n+1)/n).at n=18A281375
- Number of aperiodic binary toroidal necklaces of size n.at n=19A323865
- Expansion of 1/((1-x) * (1-5*x))^(5/2).at n=5A387237