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A001293
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Leech triangle: k-th number (0<=k<=n) in n-th row (0<=n) is number of octads in S(5,8,24) containing k given points and missing n-k given points.
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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
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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REFERENCES
| F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier-North Holland, 1978, p. 68.
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 278.
Handbook of Combinatorics, North-Holland '95, p. 720.
CRC Handbook of Combinatorial Designs, 1996, p. 69.
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LINKS
| Index entries for sequences related to Steiner systems
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EXAMPLE
| 759; 506,253; 330,176,77; 210,120,56,21; 130,80,40,16,5;...
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CROSSREFS
| Sequence in context: A104336 A157830 A105547 * A001380 A001920 A034414
Adjacent sequences: A001290 A001291 A001292 * A001294 A001295 A001296
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KEYWORD
| nonn,tabl,fini,full,nice
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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