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Search: id:A048585
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A048585 Pisot sequence L(6,7). +0
2
6, 7, 9, 12, 16, 22, 31, 44, 63, 91, 132, 192, 280, 409, 598, 875, 1281, 1876, 2748, 4026, 5899, 8644, 12667, 18563, 27204, 39868, 58428, 85629, 125494, 183919, 269545, 395036, 578952, 848494, 1243527, 1822476, 2670967, 3914491, 5736964, 8407928, 12322416, 18059377 (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

See A008776 for definitions of Pisot sequences.

Sequence in context: A096405 A108595 A022938 this_sequence A049304 A045014 A047591

Adjacent sequences: A048582 A048583 A048584 this_sequence A048586 A048587 A048588

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.


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