50645

Appears in sequences

• Triangle T(n,k) of k-block T_0-tricoverings of an n-set, n >= 3, k = 0..2*n.at n=37A059530
• Sum of the first k-1 numbers in the k-th column of the natural number array A000027, by antidiagonals.at n=35A185788
• Number of isomorphism classes of nanocones with 4 pentagons and a nearsymmetric boundary of length n.at n=17A198016
• Third-order spt function.at n=15A221141
• a(n) = n^3 - 8.at n=37A259348
• a(1)=0; thereafter a(2k)=k+a(k), a(2k+1)=k+a(6k+4).at n=40A271473