31812

Appears in sequences

• Number of nonseparable rooted toroidal maps with n + 3 edges and n + 1 vertices.at n=8A006408
• Expansion of Product_{m>=1} 1/(1 + m*q^m)^6.at n=14A022698
• T(2n,n+1), where T is the array defined in A026082.at n=6A026093
• Eighth column (k=7) of septinomial array A063265.at n=10A063267
• a(n) is the smallest number representable in exactly n ways as a sum of 2 palindromes (each of them >= 0).at n=33A115336
• Numbers k such that the digits of sigma(k) are a permutation of those of k, in base 10.at n=33A115920
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 529", based on the 5-celled von Neumann neighborhood.at n=16A282917
• a(n) = (25*n + 41)*Pochhammer(n, 5) / 6!.at n=8A293611