262171

Appears in sequences

• Triangle, read by rows, that transforms diagonals in the table of coefficients in the successive iterations of g.f. of A236960 such that column 0 equals T(n,0) = n^n.at n=29A236961
• Column 1 of triangle A236961.at n=6A236962
• Number of connected induced (non-null) subgraphs of the friendship graph with 2n+1 nodes.at n=8A286186