id:A057412 - OEIS Search Results

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Number of staircase polygons of perimeter 2n with 3 (staircase polygon) holes on square lattice (not allowing rotations).

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28, 884, 15266, 191688, 1964414, 17460336, 139630696, 1029053248, 7106319403, 46539551768, 291656481886, 1761110727936, 10301848134999, 58631700564776, 325806962400428, 1772760905500304, 9467673927142781 (list; graph; listen)

	OFFSET	`16,1`
	LINKS	`I. Jensen, Table of n, a(n) for n = 16..67 (from link below)` `I. Jensen, More terms`
	CROSSREFS	`Sequence in context: A158659 A119055 A095656 this_sequence A160263 A129461 A097579` `Adjacent sequences: A057409 A057410 A057411 this_sequence A057413 A057414 A057415`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Aug 30 2000`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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