Dimensions of representations by Witt vectors.

Terms

a(0) =0a(1) =1a(2) =2a(3) =9a(4) =24a(5) =130a(6) =720a(7) =8505a(8) =35840a(9) =412776a(10) =3628800a(11) =42030450a(12) =479001600a(13) =7019298000a(14) =82614884352