A326741 Numbers which converge to 8 under repeated application of the powertrain map of A133500.
8, 23, 27, 33, 34, 81, 92, 108, 118, 128, 138, 148, 158, 168, 178, 188, 198, 208, 214, 222, 231, 248, 254, 262, 271, 287, 308, 319, 323, 329, 331, 333, 334, 341, 408, 412, 428, 432, 447, 459, 508, 608, 623, 632, 708, 748, 794, 808, 811, 822, 908, 913, 919, 921
Offset: 1
Examples
33 -> 3^3 = 27 -> 2^7 = 128 -> 1^2*8 = 8.