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A347393
Positions of 3's in A347381.
4
7, 10, 11, 14, 16, 18, 25, 27, 39, 45, 63, 77, 81, 99, 105, 135, 182, 270, 819, 1365, 1392, 1638, 4250, 15631, 21275, 63767, 122944, 161257, 203203, 446369, 936100, 1128799, 1773827, 2808300
OFFSET
1,1
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Aug 31 2021
STATUS
approved