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A020723 n+9. 0
9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

Pisot sequences E(9,10), P(9,10), T(9,10).

LINKS

Tanya Khovanova, Recursive Sequences

Index to sequences with linear recurrences with constant coefficients, signature (2,-1).

FORMULA

a(n) = n+9. a(n) = 2a(n-1) - a(n-2).

PROG

(PARI) a(n)=n+9

CROSSREFS

See A008776 for definitions of Pisot sequences.

Sequence in context: A168099 A004498 A171892 * A107043 A023392 A060009

Adjacent sequences:  A020720 A020721 A020722 * A020724 A020725 A020726

KEYWORD

nonn,easy

AUTHOR

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

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Last modified February 15 16:39 EST 2012. Contains 205823 sequences.