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A286558
Ordinal transform of A005811.
3
1, 1, 1, 2, 2, 1, 3, 3, 4, 2, 1, 3, 5, 4, 6, 4, 7, 5, 2, 6, 3, 1, 4, 7, 8, 8, 5, 9, 9, 10, 10, 5, 11, 11, 6, 12, 7, 2, 8, 13, 9, 3, 1, 4, 10, 5, 11, 14, 12, 15, 12, 16, 13, 6, 14, 17, 13, 18, 15, 19, 14, 20, 15, 6, 16, 21, 16, 22, 17, 7, 18, 23, 19, 8, 2, 9, 20, 10, 21, 24, 22, 11, 3, 12, 4, 1, 5, 13, 23, 14, 6, 15, 24, 16, 25, 25, 17, 26, 26, 27, 27, 17, 28, 28
OFFSET
0,4
CROSSREFS
Cf. A005811.
Cf. A263017, A254524, A286478, A286554 for similar sequences.
Sequence in context: A321341 A284549 A200779 * A368153 A355668 A023990
KEYWORD
nonn,base
AUTHOR
Antti Karttunen, May 21 2017
STATUS
approved