1452729852

Appears in sequences

• a(n) = 7*a(n-1) + (-1)^n * binomial(2,2-n) with a(-1)=0.at n=11A055270
• Triangle T(n, k) = binomial(n, k)*A000166(n-k)*k^n with T(0, 0) = 1, read by rows.at n=52A156788