A031048 Position of n-th 2 in A031045.
2, 12, 25, 27, 28, 29, 31, 33, 35, 37, 39, 44, 60, 76, 92, 108, 126, 150, 169, 172, 174, 175, 178, 181, 184, 187, 190, 198, 222, 246, 270, 294, 314, 317, 318, 320, 323, 326, 329, 332, 335, 338, 341, 342, 344, 347, 350, 353, 356
Offset: 1