Number of reduced words of length n in Coxeter group on 5 generators S_i with relations (S_i)^2 = (S_i S_j)^10 = I.
A165757
Number of reduced words of length n in Coxeter group on 5 generators S_i with relations (S_i)^2 = (S_i S_j)^10 = I.
Terms
- a(0) =1a(1) =5a(2) =20a(3) =80a(4) =320a(5) =1280a(6) =5120a(7) =20480a(8) =81920a(9) =327680a(10) =1310710a(11) =5242800a(12) =20971050a(13) =83883600a(14) =335532000a(15) =1342118400a(16) =5368435200a(17) =21473587200a(18) =85893734400a(19) =343572480000
External references
- oeis: A165757