A133807 A007318 * (A097806 + A133566 - I), where I is the identity matrix.
1, 2, 1, 3, 4, 1, 4, 9, 4, 1, 5, 16, 10, 6, 1, 6, 25, 20, 20, 6, 1, 7, 36, 35, 50, 21, 8, 1, 8, 49, 56, 105, 56, 35, 8, 1, 9, 64, 84, 196, 126, 112, 36, 10, 1, 10, 81, 120, 336, 252, 294, 120, 54, 10, 1
Offset: 1
Examples
First few rows of the triangle: 1; 2, 1; 3, 4, 1; 4, 9, 4, 1; 5, 16, 10, 6, 1; 6, 25, 20, 20, 6, 1; 7, 36, 35, 50, 21, 8, 1; ...
Comments