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URL: https://oeis.org/A013952

⇱ A013952 - OEIS

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A013952
Start with 1, apply 1->12, 21->21, 22->21, 2->2 (for final 2); take limit; note positions of 2's.
0
2, 3, 6, 8, 9, 11, 14, 15, 18, 19, 22, 24, 25, 28, 30, 31, 33, 36, 38, 39, 41, 44, 45, 48, 49, 51, 54, 55, 58, 59, 62, 64, 65, 68, 69, 72, 73, 76, 78, 79, 82, 84, 85, 87, 90, 92, 93, 96, 98, 99, 102, 104, 105, 107, 110, 112, 113, 115, 118, 119
OFFSET
1,1
CROSSREFS
Cf. A013949.
Sequence in context: A013948 A187478 A269860 * A105042 A092114 A032711
KEYWORD
nonn
EXTENSIONS
Incorrect 88 removed by Sean A. Irvine, Sep 02 2018
STATUS
approved