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A036832 Schoenheim bound L_1(n,5,4). 6
1, 5, 9, 18, 26, 50, 66, 113, 149, 219, 273, 397, 476, 659, 787, 1028, 1197, 1549, 1771, 2237, 2550, 3120, 3510, 4273, 4751, 5700, 6324, 7444, 8184, 9595, 10472, 12161, 13254, 15185, 16451, 18800, 20254, 22991, 24743, 27817, 29799, 33433 (list; graph; refs; listen; history; text; internal format)
OFFSET

5,2

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

Table of n, a(n) for n=5..46.

Index entries for covering numbers

MAPLE

L := proc(v, k, t, l) local i, t1; t1 := l; for i from v-t+1 to v do t1 := ceil(t1*i/(i-(v-k))); od: t1; end; # gives Schoenheim bound L_l(v, k, t). Current sequence is L_1(n, 5, 4, 1).

CROSSREFS

Lower bound to A011983.

A column of A036838.

Sequence in context: A315119 A061502 A110349 * A257595 A116453 A046578

Adjacent sequences:  A036829 A036830 A036831 * A036833 A036834 A036835

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 11 2002

STATUS

approved

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Last modified June 17 19:02 EDT 2019. Contains 324198 sequences. (Running on oeis4.)