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A013951 Start with 1, apply 1->12, 21->21, 22->21, 2->2 (for final 2); take limit; note positions of 1's. 0

%I #7 Sep 02 2018 02:16:59

%S 1,4,5,7,10,12,13,16,17,20,21,23,26,27,29,32,34,35,37,40,42,43,46,47,

%T 50,52,53,56,57,60,61,63,66,67,70,71,74,75,77,80,81,83,86,88,89,91,94,

%U 95,97,100,101,103,106,108,109,111,114,116,117,120

%N Start with 1, apply 1->12, 21->21, 22->21, 2->2 (for final 2); take limit; note positions of 1's.

%Y Cf. A013949.

%K nonn

%O 1,2

%A _Clark Kimberling_

%E Missing 88 inserted by _Sean A. Irvine_, Sep 02 2018

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)