13748672

Appears in sequences

• Sum of odd entries in row n of Pascal's triangle.at n=26A088560
• 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=25A131075