a(n) = Sum_{m=1..24} (25-m)^n*A005875(m).

A085120

a(n) = Sum_{m=1..24} (25-m)^n*A005875(m).

Terms

    a(0) =484a(1) =5200a(2) =74248a(3) =1231168a(4) =22274392a(5) =426121840a(6) =8473865608a(7) =173384503648

External references