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A166052
Second row of A166091. Positions of 3's in A166086.
3
2, 79, 151, 175, 223, 265, 275, 283, 361, 373, 571, 595, 635, 805, 991, 1063, 1153, 1201, 1285, 1301, 1351, 1423, 1445, 1495, 1561, 1621, 1651, 1699, 1735, 1873, 1981, 2125, 2275, 2281, 2413, 2545, 2653, 2683, 3013, 3301, 3331, 3385, 3535
OFFSET
1,1
CROSSREFS
See A166053.
Sequence in context: A197101 A245674 A342979 * A045484 A113152 A265585
KEYWORD
nonn
AUTHOR
Antti Karttunen, Oct 08 2009
STATUS
approved