24039

Appears in sequences

• Expansion of 1/((1-2x)(1+x^2)(1-x-2x^3)).at n=13A003477
• Numbers k such that sigma(k-3) + sigma(k+3) = sigma(2*k).at n=23A067129
• Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0010-1010-1111 pattern in any orientation.at n=11A146776
• Number of 5-step S, NW and NE-moving king's tours on an n X n board summed over all starting positions.at n=20A187379
• Number of nX1 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or one horizontal or vertical neighbors.at n=12A199223