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A053733 Ceiling(binomial(n,9)/9). 1
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 5, 19, 55, 143, 334, 715, 1430, 2702, 4862, 8398, 13997, 22610, 35530, 54480, 81719, 120175, 173587, 246675, 345345, 476905, 650325, 876525, 1168700, 1542684, 2017356, 2615092, 3362260, 4289780, 5433722 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,11

REFERENCES

R. L. Graham and N. J. A. Sloane, Lower bounds for constant weight codes, IEEE Trans. Inform. Theory, 26 (1980), 37-43.

LINKS

Table of n, a(n) for n=1..39.

CROSSREFS

Cf. A053618.

Sequence in context: A209817 A281156 A060100 * A032194 A024532 A036421

Adjacent sequences:  A053730 A053731 A053732 * A053734 A053735 A053736

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Mar 25 2000

STATUS

approved

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Last modified April 18 22:08 EDT 2019. Contains 322237 sequences. (Running on oeis4.)