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A065812
a(n) = A065811(n)/3.
1
0, 1, 2, 3, 4, 15, 16, 21, 22, 26, 37, 41, 42, 46, 50, 77, 81, 87, 103, 108, 116, 117, 121, 134, 138, 139, 147, 152, 168, 190, 194, 220, 228, 255, 256, 283, 291, 317, 321, 352, 375, 477, 506, 517, 546, 648, 671, 683, 713, 811, 819, 837, 853, 857, 892, 900, 921
OFFSET
1,3
CROSSREFS
Sequence in context: A348672 A334619 A037323 * A081350 A173320 A135633
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 22 2001
STATUS
approved