69472

Appears in sequences

• Structured hexagonal anti-prism numbers.at n=31A100183
• Number of (n+2)X(n+2) 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly three ways, and new values 0..2 introduced in row major order.at n=9A204276
• Triangle read by rows: T(n,k) = number of arrangements of k non-attacking bishops on the white squares of an n X n board with every square controlled by at least one bishop (1<=k<n).at n=52A288182
• Heptagonal numbers (A000566) in which parity of digits alternates.at n=19A297646
• Heptagonal numbers (A000566) with prime indices (A000040).at n=38A346494