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A129122
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Numbers n such that A085068(3n+1) = 7.
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0
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3, 38, 60, 62, 75, 107, 119, 132, 156, 164, 188, 213, 245, 300, 332, 357, 381, 389, 413, 426, 438, 470, 483, 485, 507, 542, 564, 566, 623, 651, 708, 710, 732, 767, 789, 791, 804, 836, 848, 861, 885, 893, 917, 942, 974, 1029, 1061, 1086, 1110, 1118, 1142, 1155
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MATHEMATICA
| f[n_] := Block[{c = 1, k = 4 n/3}, While[ ! IntegerQ[k], c++; k = 4*Ceiling[k]/3]; c]; Select[Range[2000], f[3*# + 1] == 7 &] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Aug 20 2007
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CROSSREFS
| Sequence in context: A176245 A122787 A093939 * A002405 A050394 A156071
Adjacent sequences: A129119 A129120 A129121 * A129123 A129124 A129125
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KEYWORD
| nonn
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AUTHOR
| Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 18 2007
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EXTENSIONS
| More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Aug 20 2007
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