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Search: id:A087645
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| 2, 6, 24, 72, 172, 352, 646, 1094, 1742, 2642, 3852, 5436, 7464, 10012, 13162, 17002, 21626, 27134, 33632, 41232, 50052, 60216, 71854, 85102, 100102, 117002, 135956, 157124, 180672, 206772, 235602, 267346, 302194, 340342, 381992, 427352, 476636
(list; graph; listen)
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OFFSET
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2,1
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REFERENCES
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T. M. Cover, The number of linearly inducible orderings of points in d-space, SIAM J. Applied Math., 15 (1967), 434-439.
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FORMULA
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(3*n^4-10*n^3+9*n^2-2*n+24)/12. - Vladeta Jovovic (vladeta(AT)eunet.rs), Oct 26 2003
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CROSSREFS
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Cf. A071223.
A052149(n+1) + 2.
Sequence in context: A107762 A027562 A096259 this_sequence A107761 A147943 A147934
Adjacent sequences: A087642 A087643 A087644 this_sequence A087646 A087647 A087648
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Oct 26 2003
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EXTENSIONS
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More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Oct 26 2003
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