A022781 Place where n-th 1 occurs in A023119.
1, 4, 10, 18, 29, 43, 59, 78, 100, 124, 151, 181, 213, 248, 286, 326, 369, 414, 462, 513, 566, 622, 681, 742, 806, 873, 942, 1014, 1089, 1166, 1246, 1329, 1414, 1502, 1592, 1685, 1781, 1879, 1980, 2084, 2190, 2299, 2411, 2525, 2642, 2762, 2884
Offset: 1