A131302 2*A122203 - A000012.
1, 3, 1, 5, 5, 1, 7, 3, 3, 1, 9, 13, 5, 3, 1, 11, 15, 7, 5, 3, 1, 13, 11, 11, 9, 5, 3, 1, 15, 9, 9, 7, 9, 5, 3, 1, 17, 7, 13, 11, 11, 11, 5, 3, 1, 19, 33, 15, 13, 7, 9, 11, 5, 3, 1
Offset: 1
Examples
Row 4 = (7, 3, 3, 1) = 2*(4, 2, 2, 1) - (1, 1, 1, 1). First few rows of the triangle are: 1; 3, 1; 5, 5, 1; 7, 3, 3, 1; 9, 13, 5, 3, 1; 11, 15, 7, 5, 3, 1; 13, 11, 11 9, 5, 3, 1; ...