6874336

Appears in sequences

• First subdiagonal of triangular array T: T(j,1) = 1 for ((j-1) mod 8) < 4, else 0; T(j,k) = T(j-1,k-1) + T(j,k-1) for 2 <= k <= j.at n=24A131075
• a(n) = Sum_{k=0..floor(n/8)} binomial(n,8*k).at n=26A306859
• Cogrowth sequence of the 16-element group C8 X C2 = <S,T | S^8, T^2, [S,T]>.at n=13A377840