A323948 The numbers 2^n with 1's and 2's swapped, then sorted.
1, 2, 4, 8, 26, 31, 64, 156, 218, 521, 1048, 2014, 4096, 8291, 26384, 31768, 65536, 161244, 232071, 514188, 1097251, 2048576, 4294304, 8388608, 26777126, 33554431, 67208864, 168435456, 234127718, 536870921, 1247483648, 2073742814, 4194967196, 8589934591, 27279869284, 34359738368, 68729476736, 174877906944
Offset: 0