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Revision History for A058803

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A058803 Vertically indecomposable lattices on n labeled nodes.
(history; published version)
#2 by Russ Cox at Fri Mar 30 17:37:12 EDT 2012
AUTHOR

_Christian G. Bower (bowerc(AT)usa.net), _, Dec 28 2000

Discussion
Fri Mar 30 17:37
OEIS Server: https://oeis.org/edit/global/178
#1 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003
NAME

Vertically indecomposable lattices on n labeled nodes.

DATA

1, 1, 2, 0, 12, 140, 2910, 83202, 3170216, 154933704, 9441522810, 701275774430, 62304994315212, 6517432341289740, 791949368757587222, 110496962589020946330, 17525486812000086847440

OFFSET

0,3

CROSSREFS

a(n)=A058804(n)*n=A058805(n)*n*(n-1).

KEYWORD

nonn,hard

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Dec 28 2000

STATUS

approved

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Last modified September 11 13:05 EDT 2024. Contains 375829 sequences. (Running on oeis4.)