51238

Appears in sequences

• Weight distribution of [137, 69, 21] binary quadratic-residue (or QR) code.at n=21A076710
• Sums of the products of n consecutive pairs of numbers.at n=33A135036
• Number of ways to place 2 nonattacking knights on an n X n board.at n=17A172132
• Numbers n such that a positive number m <= n exists such that n-m, n+m, and n*m are triangular numbers.at n=10A224935
• Number of ways of 4-coloring the Fibonacci square spiral tiling of n squares with colors introduced in order.at n=36A331394