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4, 8, 12, 16, 20, 24, 25, 26, 27, 28, 29, 30, 34, 38, 42, 46, 50, 54, 58, 59, 60, 61, 62, 63, 64, 68, 72, 76, 80, 84, 88, 92, 93, 94, 95, 96, 97, 98, 102, 106, 110, 114, 118, 122, 126, 127, 128, 129, 130, 131, 132, 136, 140, 144, 148, 152, 156, 160, 161, 162
(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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EXAMPLE
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As a word, A285464 = 00010001..., in which 1 is in positions 4,8,12,16,...
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MATHEMATICA
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s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {0, 0, 0, 1}}] &, {0}, 10] (* A285464 *)
Flatten[Position[s, 0]] (* A285465 *)
Flatten[Position[s, 1]] (* A285466 *)
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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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