A163903 The positions i where A163915(i) = i, but not A163355(i) = i, that is, the 3-cycles of permutation A163355.
5, 6, 10, 11, 13, 15, 17, 18, 19, 80, 81, 85, 86, 90, 91, 93, 95, 105, 106, 160, 161, 165, 166, 170, 171, 173, 175, 190, 191, 213, 215, 240, 241, 245, 246, 250, 251, 253, 255, 257, 258, 259, 276, 277, 278, 279, 282, 296, 297, 298, 299, 303, 309, 316, 317, 318
Offset: 0