id:A019526 - OEIS Search Results

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A019526

Poincare series for depths of roots in a certain root system.

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4, 5, 8, 13, 24, 44, 83, 158, 303, 582, 1120, 2157, 4156, 8009, 15436, 29752, 57347, 110538, 213067, 410698, 791644, 1525941, 2941344, 5669621, 10928544, 21065444, 40604947, 78268550, 150867479, 290806414, 560547384, 1080489821, 2082711092 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`Posting to sci.math.research by dima(AT)win.tue.nl (Dmitrii V. Pasechnik), Oct 28 1996.`
	FORMULA	`a(n)=2a(n-1)-a(n-5).`
	CROSSREFS	`Sequence in context: A030978 A101948 A087475 this_sequence A145488 A050892 A145265` `Adjacent sequences: A019523 A019524 A019525 this_sequence A019527 A019528 A019529`
	KEYWORD	`nonn,easy`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com)`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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