Binomial coefficient C(23,n).

Terms

a(0) =1a(1) =23a(2) =253a(3) =1771a(4) =8855a(5) =33649a(6) =100947a(7) =245157a(8) =490314a(9) =817190a(10) =1144066a(11) =1352078a(12) =1352078a(13) =1144066a(14) =817190a(15) =490314a(16) =245157a(17) =100947a(18) =33649a(19) =8855a(20) =1771a(21) =253a(22) =23a(23) =1