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Search: id:A036837
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| A036837 |
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Schoenheim bound L_1(n,n-5,n-6). |
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+0
3
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| 4, 11, 25, 50, 92, 158, 257, 400, 600, 873, 1237, 1713, 2325, 3100, 4069, 5266, 6729, 8500, 10625, 13155, 16145, 19655, 23750, 28500, 33981, 40274, 47466, 55650, 64925, 75397, 87178, 100387, 115150, 131600, 149878, 170132, 192518
(list; graph; listen)
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OFFSET
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7,1
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REFERENCES
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W. H. Mills and R. C. Mullin, Coverings and packings, pp. 371-399 of J. H. Dinitz and D. R. Stinson, editors,a Contemporary Design Theory, Wiley, 1992. See Eq. 1.
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LINKS
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Index entries for covering numbers
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FORMULA
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Conjecture: G.f.: x^7*(4-x^9+5*x^8-10*x^7+10*x^6-5*x^5+2*x^4-5*x^3+10*x^2-9*x)/((x^4+x^3+x^2+x+1)*(x-1)^6) [From Maksym Voznyy (voznyy(AT)mail.ru), Jul 28 2009]
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CROSSREFS
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A column of A036838.
Sequence in context: A051462 A006004 A006522 this_sequence A011851 A136395 A014160
Adjacent sequences: A036834 A036835 A036836 this_sequence A036838 A036839 A036840
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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), Jan 11 2002
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