proposed
approved
editing
Seiichi Manyama, <a href="/A167006/b167006.txt">Table of n, a(n) for n = 0..57</a>
G.f.: A(x) = exp( Sum_{n>=1} x^n/n * Sum_{k=0..n} binomial(n^2, n*k) ).
G.f.: A(x) = exp( Sum_{n>=1} x^n/n * Sum_{k=0..n} Cbinomial(n^2, n*k) ).
Equals row sums of triangle A209196.
Cf. A167009, A209196, A155200.
