80032domain: NAppears in sequencesNumber of leaf nodes in a binary tree.at n=26A112088Row sums of triangle A132166 (s1(7)).at n=4A132167O.g.f. A(x) satisfies: [x^n] exp( n^2 * x*A(x) ) * (n + 1 - A(x)) = 0 for n >= 0, where A(0) = 1.at n=4A305116