100877

Appears in sequences

• Number of n X 4 nonnegative integer arrays with upper left 0 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=17A252832
• a(n) = (A084218(n) - 1)/12.at n=35A373040