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A189822 Positions of 1 in A189820; complement of A003278. 3
3, 6, 7, 8, 9, 12, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 30, 33, 34, 35, 36, 39, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 84 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
a[1] = 0; h = 50;
Table[a[3 k - 2] = a[k], {k, 1, h}];
Table[a[3 k - 1] = a[k], {k, 1, h}];
Table[a[3 k] = 1, {k, 1, h}];
Flatten[Position[%%, 1]]
CROSSREFS
Sequence in context: A288742 A113826 A053030 * A051205 A168114 A220656
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 28 2011
STATUS
approved

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Last modified February 24 21:21 EST 2024. Contains 370307 sequences. (Running on oeis4.)