56768768

Appears in sequences

• Sum of odd entries in row n of Pascal's triangle.at n=27A088560
• Main diagonal 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=27A129961