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A237056
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Ludic and non-ludic numbers interleaved.
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5
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1, 4, 2, 6, 3, 8, 5, 9, 7, 10, 11, 12, 13, 14, 17, 15, 23, 16, 25, 18, 29, 19, 37, 20, 41, 21, 43, 22, 47, 24, 53, 26, 61, 27, 67, 28, 71, 30, 77, 31, 83, 32, 89, 33, 91, 34, 97, 35, 107, 36, 115, 38, 119, 39, 121, 40, 127, 42, 131, 44, 143, 45, 149, 46, 157
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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integer permutation with inverse A237058.
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LINKS
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MATHEMATICA
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a3309[nmax_] := a3309[nmax] = Module[{t = Range[2, nmax], k, r = {1}}, While[Length[t] > 0, k = First[t]; AppendTo[r, k]; t = Drop[t, {1, -1, k}]]; r];
nmax = 1000;
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PROG
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(Haskell)
import Data.List (transpose)
a237056 n = a237056_list !! (n-1)
a237056_list = concat $ transpose [a003309_list, a192607_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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STATUS
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approved
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