A374483 Record values in A347381, where A347381 is the distance from n to the nearest common ancestor of n and sigma(n) in the Doudna-tree (A005940).
0, 1, 3, 6, 7, 8, 10, 13, 15, 19, 20, 22, 24, 27, 30, 32, 34, 36, 39, 41, 45, 46, 50, 52, 55, 61, 67, 68, 70, 71, 74, 79, 82, 86, 87, 90, 94, 98, 103, 105, 106, 108, 111, 117, 121, 126, 134, 138, 144, 146, 149, 151, 162, 163, 169, 171, 174, 179, 189, 191, 192, 194, 200, 203, 204, 208, 212, 220, 221, 224, 226, 229, 231
Offset: 1