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A141470
Number of 3's in A139067(n).
1
0, 1, 1, 1, 2, 3, 4, 3, 1, 7, 1, 4, 6, 7, 10, 7, 16, 5, 9, 11, 3, 22, 5, 17, 14, 12, 7, 21, 20, 1, 25, 9, 21, 7, 4, 22, 13, 14, 18, 33, 35, 20, 13, 53, 51, 19, 7, 46, 52, 3, 5, 9, 12, 42, 12, 17, 34, 22, 55, 51, 57, 31, 3, 71, 41, 7, 55, 64, 5, 63, 37, 41, 31, 91, 61, 69, 1
OFFSET
1,5
CROSSREFS
Cf. A139067.
Sequence in context: A237981 A366878 A299730 * A141331 A017889 A017879
KEYWORD
nonn,base
AUTHOR
Paul Curtz and Ray Chandler, Aug 14 2008
STATUS
approved