53404

Appears in sequences

• Triangle T(n,k) = 1 - A176304(k) - A176304(n-k) + A176304(n), read by rows.at n=38A176306
• Triangle T(n,k) = 1 - A176304(k) - A176304(n-k) + A176304(n), read by rows.at n=42A176306
• a(n) = 3*n^3 + n^2.at n=26A294315