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Search: id:A033486
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| 0, 12, 60, 180, 420, 840, 1512, 2520, 3960, 5940, 8580, 12012, 16380, 21840, 28560, 36720, 46512, 58140, 71820, 87780, 106260, 127512, 151800, 179400, 210600, 245700, 285012, 328860, 377580, 431520
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OFFSET
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0,2
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MAPLE
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[seq(12*binomial(n, 4), n=3..32)]; - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Nov 24 2006
a:=n->add(binomial(n, 2)+add(binomial(n, 2), j=0..n), j=0..n):seq(a(n), n=1..30); [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 26 2008]
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CROSSREFS
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Cf. A000332, A034827, A050534, A033488, A033487, A060008.
Sequence in context: A153792 A000141 A008530 this_sequence A112415 A061624 A004302
Adjacent sequences: A033483 A033484 A033485 this_sequence A033487 A033488 A033489
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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