A145972 Triangle read by rows, A000012 * A053121.
1, 1, 1, 2, 1, 1, 2, 3, 1, 1, 4, 3, 4, 1, 1, 4, 8, 4, 5, 1, 1, 9, 8, 13, 5, 6, 1, 1, 9, 22, 13, 19, 6, 7, 1, 1, 23, 22, 41, 19, 26, 7, 8, 1, 1, 23, 64, 41, 67, 26, 34, 8, 9, 1, 1, 65, 64, 131, 67, 101, 34, 43, 9, 10, 1, 1
Offset: 0
Examples
A053121 starts: 1; 0, 1; 1, 0, 1; 0, 2, 0, 1; ... Taking partial sums from the top, we get A145972: 1; 1, 1; 2, 1, 1; 2, 3, 1, 1; 4, 3, 4, 1, 1; 4, 8, 4, 5, 1, 1; 9, 8, 13, 5, 6, 1, 1; 9, 22, 13, 19, 6, 7, 1, 1; 23, 22, 41, 19, 26, 7, 8, 1, 1; 23, 64, 41, 67, 26, 34, 8, 9, 1, 1; ...
Comments