100663284

Appears in sequences

• Number of reduced words of length n in Coxeter group on 3 generators S_i with relations (S_i)^2 = (S_i S_j)^25 = I.at n=26A169064
• a(n) = sigma(n*2^(n-1)).at n=21A176362
• Number of idempotent n X n 0..3 matrices of rank n-1.at n=11A224328
• Number of additive Z_2 Z_8 codes of a certain type (see Siap-Aydogdu for precise definition).at n=21A226264