102817
domain: N
Appears in sequences
- Number of n-bead bracelets (turnover necklaces) of two colors with 10 red beads and n-10 black beads.at n=16A005515
- a(n) = 7^n - 5^n + 3^n + 2^n.at n=6A135164
- Numerator of Euler(n, 11/24).at n=4A156963
- Continued fraction expansion for exp( Sum_{n>=1} 1/(n*A080040(n)) ), where A080040(n) = (1+sqrt(3))^n + (1-sqrt(3))^n.at n=25A174510
- E.g.f.: exp(-Sum_{n>=1} sigma(n) * x^n).at n=8A294403
- Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f.: exp(-Sum_{j>=1} sigma_k(j) * x^j).at n=53A294951
- a(n) = 5*n^4 - 6*n^2 + 1. Column 4 of A378066.at n=12A378064
- Expansion of e.g.f. exp(x * cosh(2*x)).at n=8A381273