A326739 Numbers which converge to 6 under repeated application of the powertrain map of A133500.
6, 61, 106, 116, 126, 136, 146, 156, 166, 176, 186, 196, 206, 213, 306, 312, 406, 506, 606, 611, 706, 724, 746, 806, 906, 1061, 1161, 1261, 1361, 1461, 1561, 1661, 1761, 1861, 1961, 2061, 2131, 2272, 2596, 3061, 3121, 3765, 3863, 4061, 4172, 4572, 5061, 6061
Offset: 1
Examples
724 -> 7^2*4 = 196 -> 1^9*6 = 6.