Alternate partial sums of the binomial coefficients C(4*n,n).
A227995
Alternate partial sums of the binomial coefficients C(4*n,n).
Terms
- a(0) =1a(1) =3a(2) =25a(3) =195a(4) =1625a(5) =13879a(6) =120717a(7) =1063323a(8) =9454977a(9) =84688303a(10) =762972225a(11) =6906366907a(12) =62762167561a(13) =572251392039
External references
- oeis: A227995