Binomial coefficients C(51,n).

Terms

a(0) =1a(1) =51a(2) =1275a(3) =20825a(4) =249900a(5) =2349060a(6) =18009460a(7) =115775100a(8) =636763050a(9) =3042312350a(10) =12777711870a(11) =47626016970a(12) =158753389900a(13) =476260169700