A024977 Positions of even numbers in A024975.
1, 3, 5, 7, 8, 10, 12, 15, 17, 19, 20, 22, 24, 26, 28, 31, 32, 34, 37, 38, 41, 43, 44, 47, 48, 51, 52, 53, 55, 58, 59, 62, 63, 65, 67, 68, 70, 73, 75, 77, 80, 82, 83, 87, 88, 91, 92, 93, 95, 97, 100, 101, 102, 105, 107, 108, 111, 113, 116, 117, 118, 121, 123, 125, 126, 128, 129, 133, 135
Offset: 1