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A050680
Positions of 3's in A048288.
4
5, 10, 12, 13, 31, 38, 43, 49, 51, 55, 59, 60, 76, 83, 85, 97, 117, 118
OFFSET
1,1
CROSSREFS
KEYWORD
nonn,base,hard,less,more
AUTHOR
Patrick De Geest, Aug 15 1999
EXTENSIONS
a(13)-a(16) from Sean A. Irvine, Aug 17 2021
Offset changed to 1 by and a(17)-a(18) from Jinyuan Wang, Sep 04 2021
STATUS
approved