A024511 Positions of odd numbers in A004431 (sums of 2 distinct nonzero squares).

1, 3, 4, 6, 8, 10, 12, 13, 16, 18, 19, 21, 25, 26, 28, 30, 33, 34, 36, 38, 41, 42, 45, 46, 47, 50, 52, 55, 56, 57, 59, 62, 66, 67, 69, 71, 73, 75, 77, 79, 80, 81, 84, 85, 86, 89, 92, 94, 96, 98, 100, 101, 105, 106, 110, 111, 113, 114, 117, 119, 121, 123, 124, 127, 129, 130, 133