73668

Appears in sequences

• a(n) = T(n,0) + T(n,1) + ... + T(n,n), T given by A027170.at n=13A027178
• Triangle T(n,k) defined by Sum_{1<=k<=n} T(n,k)*u^k*t^n/n! = exp(((1-t)*(1-t^2)*(1-t^3)...)^(-u)-1).at n=34A066045
• Number of n-node labeled bipartite graphs without isolated nodes.at n=7A120667
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 0), (1, -1, 1), (1, 1, 0)}.at n=11A148670
• Number of binary strings of length n with equal numbers of 0000 and 0110 substrings.at n=18A164151
• Numbers k such that Bernoulli number B_{k} has denominator 3404310.at n=13A295596
• Triangle read by rows. The triangle algorithm applied to (-1)^n/n!.at n=48A363732
• Expansion of Sum_{0<i<j<k<l} q^(i+j+k+l)/( (1-q^i)*(1-q^j)*(1-q^k)*(1-q^l) )^2.at n=22A365664
• Number of non-knapsack integer partitions of n.at n=44A366754