Number of reduced words of length n in the Weyl group A_10.

Terms

a(0) =1a(1) =10a(2) =54a(3) =209a(4) =649a(5) =1717a(6) =4015a(7) =8504a(8) =16599a(9) =30239a(10) =51909a(11) =84591a(12) =131625a(13) =196470a(14) =282369a(15) =391939a(16) =526724a(17) =686763a(18) =870233a(19) =1073227a(20) =1289718a(21) =1511742a(22) =1729808a(23) =1933514a(24) =2112319a(25) =2256396a(26) =2357475a(27) =2409581a(28) =2409581a(29) =2357475