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Search: id:A011917
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A011917 [ n(n-1)(n-2)(n-3)/7 ]. +0
1
0, 0, 0, 0, 3, 17, 51, 120, 240, 432, 720, 1131, 1697, 2451, 3432, 4680, 6240, 8160, 10491, 13289, 16611, 20520, 25080, 30360, 36432, 43371, 51257, 60171, 70200, 81432, 93960, 107880, 123291, 140297, 159003 (list; graph; listen)
OFFSET

0,5
CROSSREFS

Adjacent sequences: A011914 A011915 A011916 this_sequence A011918 A011919 A011920

Sequence in context: A095697 A084069 A132124 this_sequence A018691 A093418 A033562

KEYWORD

nonn

AUTHOR

njas

page 1

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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