92505

Appears in sequences

• Partial sums of A065641.at n=20A174202
• Number of regions formed when every pair of vertices of a regular n-gon are joined by an infinite line.at n=30A345025
• a(n) = coefficient of x^n*y^(n+1)/n! in (1/2) * log( Sum_{n>=0} (n^2 + 3*n*y + 2*y^2)^n * x^n/n! ).at n=4A359928
• G.f. A(x) satisfies A(x) = ( 1 + 9*x*A(x)/(1 - x) )^(1/3).at n=11A372036