

A001293


Leech triangle: kth number (0<=k<=n) in nth row (0<=n) is number of octads in S(5,8,24) containing k given points and missing nk given points.


0



759, 506, 253, 330, 176, 77, 210, 120, 56, 21, 130, 80, 40, 16, 5, 78, 52, 28, 12, 4, 1, 46, 32, 20, 8, 4, 0, 1, 30, 16, 16, 4, 4, 0, 0, 1, 30, 0, 16, 0, 4, 0, 0, 0, 1
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OFFSET

0,1


REFERENCES

F. J. MacWilliams and N. J. A. Sloane, The Theory of ErrorCorrecting Codes, ElsevierNorth Holland, 1978, p. 68.
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", SpringerVerlag, p. 278.
Handbook of Combinatorics, NorthHolland '95, p. 720.
CRC Handbook of Combinatorial Designs, 1996, p. 69.


LINKS

Table of n, a(n) for n=0..44.
Index entries for sequences related to Steiner systems


EXAMPLE

759; 506,253; 330,176,77; 210,120,56,21; 130,80,40,16,5; ...


CROSSREFS

Sequence in context: A104336 A157830 A105547 * A001380 A001920 A225022
Adjacent sequences: A001290 A001291 A001292 * A001294 A001295 A001296


KEYWORD

nonn,tabl,fini,full,nice


AUTHOR

N. J. A. Sloane


STATUS

approved



