Binomial coefficient C(n,31).

Terms

a(0) =1a(1) =32a(2) =528a(3) =5984a(4) =52360a(5) =376992a(6) =2324784a(7) =12620256a(8) =61523748a(9) =273438880a(10) =1121099408a(11) =4280561376a(12) =15338678264a(13) =51915526432a(14) =166871334960a(15) =511738760544