(n + 1)^3*a(n + 1) = 2*(2*n + 1)*(5*n^2 + 5*n + 2)*a(n) - 8*n*(7*n^2 + 1)*a(n - 1) + 22*n*(n - 1)*(2*n - 1)*a(n - 2), with a(0) = 1, a(1) = 4 and a(2) = 28.
A284756
(n + 1)^3*a(n + 1) = 2*(2*n + 1)*(5*n^2 + 5*n + 2)*a(n) - 8*n*(7*n^2 + 1)*a(n - 1) + 22*n*(n - 1)*(2*n - 1)*a(n - 2), with a(0) = 1, a(1) = 4 and a(2) = 28.
Terms
- a(0) =1a(1) =4a(2) =28a(3) =268a(4) =3004a(5) =36784a(6) =476476a(7) =6418192a(8) =88986172a(9) =1261473136a(10) =18200713168a(11) =266393373712
External references
- oeis: A284756