56122

Appears in sequences

• Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.at n=7A299579
• Expansion of e.g.f. (1 + x * (exp(x) - 1))^2.at n=11A377646