43832

Appears in sequences

• Convolution square of A003106.at n=49A145468
• G.f. satisfies: A(x) = exp( Sum_{n>=1} (A(x) - (-1)^n)^n * x^n/n ).at n=9A202668
• Number of isosceles triangles on a centered hexagonal grid of size n.at n=7A241228