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A212444
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Iterates A212439, starting from 0.
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3
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0, 1, 3, 6, 13, 27, 54, 108, 216, 433, 867, 1734, 3469, 6939, 13878, 27756, 55512, 111025, 222050, 444101, 888202, 1776404, 3552808, 7105617, 14211235, 28422470, 56844941, 113689883, 227379766, 454759532, 909519064, 1819038129, 3638076259, 7276152518
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OFFSET
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0,3
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COMMENTS
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2*a(n) <= a(n+1) <= 2*a(n) + 1.
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LINKS
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FORMULA
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PROG
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(Haskell)
a212444 n = a212444_list !! n
a212444_list = iterate a212439 0
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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