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A058803
Vertically indecomposable lattices on n labeled nodes.
2
1, 1, 2, 0, 12, 140, 2910, 83202, 3170216, 154933704, 9441522810, 701275774430, 62304994315212, 6517432341289740, 791949368757587222, 110496962589020946330, 17525486812000086847440
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OFFSET
0,3
LINKS
Table of n, a(n) for n=0..16.
CROSSREFS
a(n)=
A058804
(n)*n=
A058805
(n)*n*(n-1).
Sequence in context:
A269889
A293567
A293494
*
A193202
A294463
A107700
Adjacent sequences:
A058800
A058801
A058802
*
A058804
A058805
A058806
KEYWORD
nonn
,
hard
AUTHOR
Christian G. Bower
, Dec 28 2000
STATUS
approved
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Last modified August 21 21:14 EDT 2024. Contains 375353 sequences. (Running on oeis4.)