Number of reduced words of length n in the Weyl group A_24.

Terms

a(0) =1a(1) =24a(2) =299a(3) =2575a(4) =17225a(5) =95356a(6) =454570a(7) =1917371a(8) =7297900a(9) =25440025a(10) =82164420a(11) =248144910a(12) =706071989a(13) =1904675750a(14) =4896605450a(15) =12050462774a(16) =28497479390a(17) =64974224900a(18) =143239635450a(19) =306109412100a(20) =635562468075