a(1)=2; for n >= 2, (2n+1)^3*a(n) = 32n^3*a(n-1) + (21n^3 + 22n^2 + 8n + 1)*binomial(2n-1,n)^4.
A176477
a(1)=2; for n >= 2, (2n+1)^3*a(n) = 32n^3*a(n-1) + (21n^3 + 22n^2 + 8n + 1)*binomial(2n-1,n)^4.
Terms
- a(0) =2a(1) =181a(2) =23488a(3) =3625081a(4) =619898336a(5) =113451041232
External references
- oeis: A176477