223104

Appears in sequences

• Triangle of numbers where T(n,k) is the number of k-dimensional faces on a partially truncated n-cube, 0 <= k <= n.at n=60A271316
• a(n) = 288*n^2 - 96*n (n>=1).at n=27A305073
• Expansion of e.g.f. Product_{k>=1} (1 + arctan(x^k)).at n=8A330543
• a(n) = n^4 + 3*n^3 + 2*n^2 - 2*n.at n=21A330651
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A140049.at n=50A379168
• Primitive terms in A066192: number k such that k is a term of A066192 and k/2 is not.at n=33A383428