1572852domain: NAppears in sequencesPositions of zeros in A165477.at n=24A165478Number of reduced words of length n in Coxeter group on 3 generators S_i with relations (S_i)^2 = (S_i S_j)^19 = I.at n=20A168776Number of additive Z_2 Z_8 codes of a certain type (see Siap-Aydogdu for precise definition).at n=15A226264