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Search: id:A084972
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| 1, 2, 3, 4, 7, 12, 20, 35, 57, 102, 182, 323, 585, 1061, 1943, 3521, 6606
(list; graph; listen)
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OFFSET
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1,2
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MATHEMATICA
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Primorial[n_] := Product[Prime[i], {i, 1, n}]; f[n_] := Block[{k = 2, p = 1}, While[q = Floor[ Log[2, Primorial[k]]]; q - p != n, k++; p = q]; k - 1]; Table[ f[n], {n, 1, 17}]
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CROSSREFS
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Cf. A058033.
Sequence in context: A140463 A073147 A018148 this_sequence A141002 A006537 A103963
Adjacent sequences: A084969 A084970 A084971 this_sequence A084973 A084974 A084975
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KEYWORD
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nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), May 22 2003
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