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A287323
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Positions of 2 in A287320.
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4
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3, 4, 9, 10, 13, 14, 17, 18, 27, 28, 33, 34, 39, 40, 43, 44, 47, 48, 57, 58, 61, 62, 65, 66, 75, 76, 79, 80, 83, 84, 93, 94, 103, 104, 113, 114, 119, 120, 125, 126, 129, 130, 133, 134, 143, 144, 149, 150, 155, 156, 159, 160, 163, 164, 173, 174, 179, 180, 185
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {2, 2}, 2 -> 0}] &, {0}, 9] (* A287175 *)
Flatten[Position[s, 0]] (* A287321 *)
Flatten[Position[s, 1]] (* A287322 *)
Flatten[Position[s, 2]] (* A287323 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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