195708

Appears in sequences

• Triangle, read by rows, T(n,k) = binomial(n*(n-k)*k, k) + binomial(n*(n-k)*k, n -k).at n=23A157113
• Triangle, read by rows, T(n,k) = binomial(n*(n-k)*k, k) + binomial(n*(n-k)*k, n -k).at n=25A157113
• a(n) = a(n-1) + a(n-3), with a(0) = 1, a(1) = 4, a(2) = 8.at n=29A385633