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A036837 Schoenheim bound L_1(n,n-5,n-6). 2
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; refs; listen; history; internal format)
OFFSET

7,1

REFERENCES

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.

LINKS

Index entries for covering numbers

FORMULA

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]

CROSSREFS

A column of A036838.

Sequence in context: A051462 A006004 A006522 * A011851 A193912 A136395

Adjacent sequences:  A036834 A036835 A036836 * A036838 A036839 A036840

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jan 11 2002

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Last modified February 16 08:58 EST 2012. Contains 205901 sequences.