a(n) = n^2*(n+1)*(3*n^2 + 7*n - 2)*(n+5)!/11520.
A037963
a(n) = n^2*(n+1)*(3*n^2 + 7*n - 2)*(n+5)!/11520.
Terms
- a(0) =0a(1) =1a(2) =126a(3) =5796a(4) =186480a(5) =5103000a(6) =129230640a(7) =3162075840a(8) =76592355840
External references
- oeis: A037963