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Search: id:A064836
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| 0, 0, 1, 5, 22, 60, 135, 261, 460, 752, 1165, 1725, 2466, 3420, 4627, 6125, 7960, 10176, 12825, 15957, 19630, 23900, 28831, 34485, 40932, 48240, 56485, 65741, 76090, 87612, 100395, 114525, 130096, 147200, 165937, 186405, 208710, 232956
(list; graph; listen)
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OFFSET
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0,4
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,500
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PROGRAM
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(PARI) { for (n=0, 500, a=n^4/4 - 2*n^2 + 3*n; if (n%2, a-=5/4); write("b064836.txt", n, " ", a/2) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 28 2009]
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CROSSREFS
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Sequence in context: A049452 A033445 A050533 this_sequence A032168 A000345 A011846
Adjacent sequences: A064833 A064834 A064835 this_sequence A064837 A064838 A064839
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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), Oct 25 2001
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