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A020743 Pisot sequence L(7,10). 1
7, 10, 15, 23, 36, 57, 91, 146, 235, 379, 612, 989, 1599, 2586, 4183, 6767, 10948, 17713, 28659, 46370, 75027, 121395, 196420, 317813, 514231, 832042, 1346271, 2178311, 3524580, 5702889, 9227467, 14930354, 24157819, 39088171, 63245988, 102334157, 165580143 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

FORMULA

a(n) = Fib(n+5)+2. a(n) = 2a(n-1) - a(n-3).

CROSSREFS

Subsequence of A018910. See A008776 for definitions of Pisot sequences.

Cf. A020717.

Sequence in context: A155716 A025002 A120136 * A088350 A085382 A083390

Adjacent sequences:  A020740 A020741 A020742 * A020744 A020745 A020746

KEYWORD

nonn

AUTHOR

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

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Last modified February 13 15:00 EST 2012. Contains 205519 sequences.