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Search: id:A011912
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| 0, 0, 0, 0, 0, 2, 4, 7, 11, 16, 24, 33, 44, 57, 72, 91, 112, 136, 163, 193, 228, 266, 308, 354, 404, 460, 520, 585, 655, 730, 812, 899, 992, 1091, 1196, 1309, 1428, 1554, 1687, 1827, 1976, 2132, 2296, 2468, 2648
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OFFSET
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0,6
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MAPLE
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seq(floor(binomial(n, 3)/5), n=0..43); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 12 2009]
seq(floor(binomial(n, 3)/5) , n=0..43); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 12 2009]
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CROSSREFS
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Sequence in context: A065095 A005253 A129339 this_sequence A063676 A099385 A120118
Adjacent sequences: A011909 A011910 A011911 this_sequence A011913 A011914 A011915
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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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