64449
domain: N
Appears in sequences
- Denominators of e.g.f.: -cot(arctanh(x)), odd powers only.at n=29A102065
- Denominators of e.g.f. sec(arccosh(x)) = cosec(arcsinh(x)).at n=29A102074
- Denominators of e.g.f. sec(arccosh(x)) = cosec(arcsinh(x)).at n=30A102074
- 6-almost primes with semiprime digits (digits 4, 6, 9 only).at n=14A111730
- a(n) = (2^(n+4)-1)*(2^n-1).at n=6A165130
- Logarithmic derivative of A001002.at n=7A213684
- Expansion of Product_{n>=1} (1 - x^(3*n))/(1 - x^n)^3 in powers of x.at n=17A273845
- Numbers that are palindromic in base i-1.at n=24A342725
- Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = [x^n] 1/(1 - x*(1+x)^k)^n.at n=53A362078
- Odd numbers m such that at least one of the factors of Stern polynomial B(m,x) has at least one negative coefficient.at n=28A389915