Self-describing sequence : runs of equal parity digits alternate ("0" is considered as an even digit); the length of each run is given by the sequence itself.
1, 2, 4, 5, 7, 9, 10, 20, 22, 31, 33, 35, 36, 40, 42, 44, 46, 51, 53, 55, 57, 59, 60, 62, 64
1 seqfan posts
Fri Oct 1 16:18:08 CEST 2010 [seqfan] A variant of A114055 (runs of equal parity digits alternate)