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Search: id:A022017
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A022017 Number of connected partially ordered sets by number of "lines": pairs (a,b) where a < b and there is no c with a < c < b. The lines form the minimal basis for the partial ordering. +0
3
1, 3, 8, 29, 103 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Cf. A000608, A022016.

Sequence in context: A148872 A148873 A148874 this_sequence A148875 A148876 A013309

Adjacent sequences: A022014 A022015 A022016 this_sequence A022018 A022019 A022020

KEYWORD

nonn

AUTHOR

Frank Adams-Watters (FrankTAW(AT)Netscape.net), Mar 30 2002

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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