A020949 Least k such that A(k) = n, where A( ) is sequence A020945.
1, 4, 11, 10, 20, 24, 22, 42, 89, 44, 46, 84, 100, 88, 96, 90, 92, 204, 170, 202, 192, 190, 178, 184, 180, 188, 186, 338, 382, 340, 366, 354, 358, 390, 360, 356, 376, 364, 674, 362, 378, 680, 372, 676, 684, 710, 812, 682, 752, 708, 810, 1346, 732
Offset: 1