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A053731 Ceiling(binomial(n,8)/8). 2
0, 0, 0, 0, 0, 0, 0, 1, 1, 5, 15, 42, 99, 215, 429, 805, 1430, 2431, 3978, 6299, 9690, 14535, 21318, 30645, 43263, 60088, 82225, 111004, 148005, 195098, 254475, 328697, 420732, 534006, 672452, 840565, 1043460, 1286934, 1577532, 1922618 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,10

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..40.

CROSSREFS

Cf. A053618.

Sequence in context: A288414 A102620 A211380 * A111295 A200760 A032193

Adjacent sequences:  A053728 A053729 A053730 * A053732 A053733 A053734

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Mar 25 2000

STATUS

approved

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Last modified April 25 21:06 EDT 2019. Contains 322461 sequences. (Running on oeis4.)