Binomial coefficients C(n,54).

Terms

a(0) =1a(1) =55a(2) =1540a(3) =29260a(4) =424270a(5) =5006386a(6) =50063860a(7) =436270780a(8) =3381098545a(9) =23667689815a(10) =151473214816a(11) =895068996640