130344

Appears in sequences

• a(n) = Sum_{k <= n/2 } k*binomial(n-2k, 3k).at n=23A137359
• Number of n X 4 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value within 2 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down.at n=20A253219