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Search: id:A154292
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| A154292 |
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Integers of the form : n*(6*n-+1)/2. |
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+0
3
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| 11, 13, 46, 50, 105, 111, 188, 196, 295, 305, 426, 438, 581, 595, 760, 776, 963, 981, 1190, 1210, 1441, 1463, 1716, 1740, 2015, 2041, 2338, 2366, 2685, 2715, 3056, 3088, 3451, 3485, 3870, 3906, 4313, 4351, 4780, 4820, 5271, 5313, 5786, 5830, 6325, 6371
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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lst={}; Do[a=n*(6*n-1)/2; If[Floor[a]==a, AppendTo[lst, a]]; a=n*(6*n+1)/2; If[Floor[a]==a, AppendTo[lst, a]], {n, 6!}]; lst
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CROSSREFS
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Cf. A001318, A074378, A057569, A057570
Sequence in context: A045467 A108264 A023268 this_sequence A027450 A036295 A132201
Adjacent sequences: A154289 A154290 A154291 this_sequence A154293 A154294 A154295
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KEYWORD
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nonn
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 06 2009
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