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A064689
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Smallest m such that A064672(m) = n.
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2
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0, 1, 2, 3, 6, 7, 12, 15, 32, 43, 48, 61, 136, 159, 240, 527, 572, 1009, 1022, 1085, 1910, 2365, 3782, 6377, 13384, 17929, 18736, 25521, 57840, 155021, 258058, 266247, 267278, 278751, 315806, 328269
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listen;
history;
text;
internal format)
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OFFSET
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0,3
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COMMENTS
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LINKS
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PROG
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(Haskell)
import Data.List (elemIndex)
import Data.Maybe (fromJust)
a064689 = fromJust . (`elemIndex` a064672_list)
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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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Jonathan Ayres (jonathan.ayres(AT)btinternet.com), Oct 09 2001
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EXTENSIONS
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STATUS
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approved
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