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A079509 Second diagonal of triangle in A079508. 1
1, 5, 9, 14, 20 (list; graph; refs; listen; history; internal format)
OFFSET

3,2

REFERENCES

G. Kreweras, Les preordres totaux compatibles avec un ordre partiel. Math. Sci. Humaines No. 53 (1976), 5-30.

CROSSREFS

Sequence in context: A084597 A130877 A140490 * A074375 A020688 A126619

Adjacent sequences:  A079506 A079507 A079508 * A079510 A079511 A079512

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jan 21 2003

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Last modified February 15 06:58 EST 2012. Contains 205694 sequences.