Binomial coefficients C(53,n).

Terms

a(0) =1a(1) =53a(2) =1378a(3) =23426a(4) =292825a(5) =2869685a(6) =22957480a(7) =154143080a(8) =886322710a(9) =4431613550a(10) =19499099620a(11) =76223753060a(12) =266783135710a(13) =841392966470