215914

Appears in sequences

• Revert transform of (1 - 3x + 2x^2 + x^3)/(1 - 2x + 2x^3).at n=11A049138
• Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=16A253837
• Number of nonequivalent noncrossing cacti with n nodes up to rotation.at n=10A361242