2967205528

Appears in sequences

• Triangle, read by rows, where T(n,k) = C(C(n+2,3) - C(k+2,3), n-k) for n >= k >= 0.at n=38A126445
• Column 2 of triangle A126445; a(n) = C( C(n+4,3) - 4, n).at n=6A126448