A026172 Duplicate of A026136.
1, 3, 2, 7, 9, 4, 5, 15, 6, 19, 21, 8, 25, 27, 10, 11, 33, 12, 13, 39, 14, 43, 45, 16, 17, 51, 18, 55, 57, 20, 61, 63, 22, 23, 69, 24, 73, 75, 26, 79, 81, 28, 29, 87, 30, 31, 93, 32, 97, 99, 34, 35, 105, 36, 37, 111, 38, 115, 117, 40, 41, 123
Offset: 1