id:A020721 - OEIS Search Results

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A020721

Pisot sequences E(7,10), P(7,10).

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7, 10, 14, 20, 29, 42, 61, 89, 130, 190, 278, 407, 596, 873, 1279, 1874, 2746, 4024, 5897, 8642, 12665, 18561, 27202, 39866, 58426, 85627, 125492, 183917, 269543, 395034, 578950, 848492, 1243525, 1822474, 2670965, 3914489, 5736962, 8407926, 12322414, 18059375 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`a(n) = 2a(n-1) - a(n-2) + a(n-3) - a(n-4) (holds at least up to n = 1000).`
	CROSSREFS	`Subsequence of A020711. See A008776 for definitions of Pisot sequences.` `Cf. A048626.` `Sequence in context: A020752 A134302 A023485 this_sequence A015782 A154681 A030764` `Adjacent sequences: A020718 A020719 A020720 this_sequence A020722 A020723 A020724`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

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