622116992domain: NAppears in sequencesa(n) = Sum_{k=0..n} binomial(8*n,8*k).at n=4A070832Duplicate of A070832.at n=4A094212a(n) = Sum_{k=0..floor(n/8)} binomial(n,8*k).at n=32A306859Cogrowth sequence of the 16-element group C8 X C2 = <S,T | S^8, T^2, [S,T]>.at n=16A377840