50391

Appears in sequences

• Number of reversible strings with n-1 beads of 2 colors. 6 beads are black. Strings are not palindromic.at n=16A032093
• Integers k for which {prime(1), prime(2), ..., prime(k)} (mod 4) is biased towards 1.at n=12A096628
• Expansion of q^(-5/24) * (eta(q^3) * eta(q^6))^3 / (eta(q) * eta(q^2))^4 in powers of q.at n=11A182031
• Number of -3..3 arrays of n elements with first and second differences also in -3..3.at n=6A201083
• T(n,k)=Number of -k..k arrays of n elements with first and second differences also in -k..k.at n=42A201088
• Number of -n..n arrays of 7 elements with first and second differences also in -n..n.at n=2A201092
• Number of n-element subsets of [n+6] having an even sum.at n=17A282082
• Number of cycles in an n X n grid where the cycle cannot touch itself orthogonally or diagonally and must contain at least one inside point.at n=6A368657