id:A152093 - OEIS Search Results

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Numbers of intervals for the pruning-grafting lattices of size n

+0
6

1, 3, 15, 101, 818, 7486, 74648, 793005, 8843056, 102464586 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`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: A147664 A074521 A074536 this_sequence A109777 A135903 A123184` `Adjacent sequences: A152090 A152091 A152092 this_sequence A152094 A152095 A152096`
	KEYWORD	`nonn`
	AUTHOR	`Jean-Luc Baril (barjl(AT)u-bourgogne.fr), Nov 24 2008`

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.