A131336 A131334 * A000012.
1, 1, 1, 2, 1, 1, 3, 3, 2, 1, 5, 4, 4, 2, 1, 8, 8, 7, 5, 3, 1, 13, 12, 12, 9, 7, 3, 1, 21, 21, 20, 17, 14, 8, 4, 1, 34, 33, 33, 29, 26, 17, 11, 4, 1, 55, 55, 54, 50, 46, 34, 25, 12, 5, 1
Offset: 1
Examples
First few rows of the triangle are: 1; 1, 1; 2, 1, 1; 3, 3, 2, 1; 5, 4, 4, 2, 1; 8, 8, 7, 5, 3, 1; 13, 12, 12, 9, 7, 3, 1; 21, 21, 20 17, 14, 8, 4, 1; ...
Comments