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Search: id:A153977
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| 2, 9, 27, 65, 135, 252, 434, 702, 1080, 1595, 2277, 3159, 4277, 5670, 7380, 9452, 11934, 14877, 18335, 22365, 27027, 32384, 38502, 45450, 53300, 62127, 72009, 83027, 95265, 108810, 123752, 140184, 158202, 177905, 199395, 222777, 248159
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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a[n_]:=n^3; lst={}; s=0; Do[s+=(a[n]+a[n+2]); AppendTo[lst, s/4], {n, 0, 6!}]; lst
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CROSSREFS
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Cf. A003215, A000537, A000578, A005898, A027602, A006007, A153976
Sequence in context: A091469 A125670 A008910 this_sequence A051746 A123904 A128239
Adjacent sequences: A153974 A153975 A153976 this_sequence A153978 A153979 A153980
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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 03 2009
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