Alternate partial sums of binomial(2n,n)^2.

A228002

Alternate partial sums of binomial(2n,n)^2.

Terms

    a(0) =1a(1) =3a(2) =33a(3) =367a(4) =4533a(5) =58971a(6) =794805a(7) =10983819a(8) =154653081a(9) =2209251319a(10) =31925528217a(11) =465708778407

External references