Number of reduced words of length n in the Weyl group A_31.
A161636
Number of reduced words of length n in the Weyl group A_31.
Terms
- a(0) =1a(1) =31a(2) =495a(3) =5424a(4) =45848a(5) =318649a(6) =1895464a(7) =9919009a(8) =46584724a(9) =199347764a(10) =786519756a(11) =2888400232a(12) =9950014727a(13) =32360135292a(14) =99903188872a(15) =294134516323a(16) =829176461458
External references
- oeis: A161636