A194775 Number of lower triangles of an (n+8) X (n+8) 0..5 array with new values introduced in row major order 0..5 and no element unequal to more than one horizontal or vertical neighbor.
1740, 4490, 11857, 31429, 84727, 229869, 631373, 1745459, 4867831, 13649561, 38503606, 109050858, 310061698, 883972100, 2526165997, 7230962925, 20725462609, 59454601239, 170659921683, 490024454069, 1407237659011
Offset: 1
Keywords
Examples
All solutions for 9 X 9 including a 5: 0 0 0 0 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 2 2 3 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 1 1 2 2 3 3 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 1 1 2 2 3 3 4 2 2 2 2 3 3 4 3 3 3 3 3 3 3 3 3 3 3 3 3 4 1 1 2 2 3 3 4 4 2 2 2 2 3 3 4 4 4 4 4 4 4 4 4 4 3 3 3 3 3 3 4 4 1 1 2 2 3 3 4 4 5 2 2 2 2 3 3 4 4 5 4 4 4 4 4 4 4 4 5 3 3 3 3 3 3 4 4 5
Comments