A277026 n for which A277023(4n) is not a square, thus A277024(4n) is nonzero.
7, 8, 11, 13, 16, 19, 22, 25, 27, 29, 32, 38, 43, 46, 47, 49, 50, 53, 59, 61, 62, 64, 65, 67, 73, 75, 76, 77, 79, 82, 83, 85, 86, 87, 89, 92, 94, 97, 100, 101, 103, 104, 106, 109, 113, 115, 116, 119, 122, 124, 125, 127, 128, 130, 133, 134, 137, 140, 141, 143, 145, 146, 148, 151, 152, 154, 155, 163, 164, 167, 168, 169, 170, 173, 174, 176, 178, 179, 181, 184, 185
Offset: 1