A134225 A007436 + A134082 - A000012 as infinite lower triangular matrices; where A000012 = (1; 1,1; 1,1,1; ...).
1, 3, 1, 2, 5, 1, 3, 2, 7, 1, 4, 3, 2, 9, 1, 5, 4, 3, 2, 11, 1, 6, 5, 4, 3, 2, 13, 1, 7, 6, 5, 4, 3, 2, 15, 1, 8, 7, 6, 5, 4, 3, 2, 17, 1, 9, 8, 7, 6, 5, 4, 3, 2, 19, 1
Offset: 1
Examples
First few rows of the triangle: 1; 3, 1; 2, 5, 1; 3, 2, 7, 1; 4, 3, 2, 9, 1; 5, 4, 3, 2, 11, 1; 6, 5, 4, 3, 2, 13, 1; 7, 6, 5, 4, 3, 2, 15, 1; ...
Comments