A218879 - OEIS

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A218879

Number of minimal elements in the poset PIT(n) arising from classification of primitive integral triangles with rectangular defect n.

2, 1, 1, 3, 2, 2, 3, 3, 7, 3, 3, 4, 6, 4, 4, 9, 8, 4, 5, 6, 8, 6, 5, 8, 18, 5, 5, 10, 10, 6, 9, 7, 14, 9, 6, 12, 14, 6, 8, 14, 16, 8, 9, 12, 12, 12, 7, 12, 33, 7, 10 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..51.` `Andy Miller, Trees of integral triangles with given rectangular defect, Discrete Math., 313 (2012), 50-66.`
	CROSSREFS	`Cf. A218878.` `Sequence in context: A241950 A316776 A029308 * A340381 A029259 A159266` `Adjacent sequences: A218876 A218877 A218878 * A218880 A218881 A218882`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane, Nov 26 2012`
	STATUS	`approved`

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Last modified March 23 16:16 EDT 2023. Contains 361445 sequences. (Running on oeis4.)