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A119629
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Inverse permutation to sequence A014631.
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3
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1, 2, 3, 4, 6, 5, 10, 13, 17, 7, 25, 30, 36, 42, 8, 54, 61, 69, 78, 9, 11, 104, 115, 126, 138, 150, 163, 14, 189, 203, 218, 233, 249, 265, 12, 18, 315, 333, 352, 371, 391, 411, 432, 453, 21, 496, 519, 542, 566, 590, 615, 640, 666, 692, 26, 15, 771, 799, 828, 857, 887
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listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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lst = {1}; t = Flatten[Table[Binomial[n, m], {n, 16}, {m, Floor[n/2]}]]; Do[ If[ !MemberQ[lst, t[[n]]], AppendTo[lst, t[[n]] ]], {n, Length@t}]; Flatten@Table[ Position[lst, n], {n, 61}] (* Robert G. Wilson v *)
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PROG
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(Haskell)
import Data.List (elemIndex); import Data.Maybe (fromJust)
a119629 = (+ 1) . fromJust . (`elemIndex` a014631_list)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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