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A152093
Numbers of intervals for the pruning-grafting lattices of size n.
5
1, 3, 15, 101, 818, 7486, 74648, 793005, 8843056, 102464586
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..10.
J. L. Baril and J. M. Pallo,
The pruning-grafting lattice of binary trees
, Theoretical Computer Science, 409, 2008, 382-393.
CROSSREFS
Sequence in context:
A196962
A074521
A074536
*
A109777
A242003
A265164
Adjacent sequences:
A152090
A152091
A152092
*
A152094
A152095
A152096
KEYWORD
nonn
,
more
AUTHOR
Jean-Luc Baril
, Nov 24 2008
STATUS
approved
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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)