A020722 a(n) = n + 8.

8, 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

Offset

0,1

Comments

Pisot sequences E(8,9), P(8,9), T(8,9).

References

Shalosh B. Ekhad, N. J. A. Sloane and Doron Zeilberger, Automated Proof (or Disproof) of Linear Recurrences Satisfied by Pisot Sequences, Preprint, 2016.

Links

Table of n, a(n) for n=0..72.

Tanya Khovanova, Recursive Sequences

Index entries for linear recurrences with constant coefficients, signature (2,-1).

Formula

a(n) = n+8.

a(n) = 2*a(n-1) - a(n-2).

Mathematica

Range[0, 80]+8 (* or *) LinearRecurrence[{2, -1}, {8, 9}, 80] (* Harvey P. Dale, Jun 06 2015 *)

Prog

(PARI) a(n)=n+8

Crossrefs

See A008776 for definitions of Pisot sequences.

Sequence in context: A004164 A004449 A168098 * A046037 A089017 A182361

Adjacent sequences: A020719 A020720 A020721 * A020723 A020724 A020725

Keyword

nonn,easy

Author

David W. Wilson

Status

approved