OFFSET
0,1
LINKS
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (2,-1).
FORMULA
G.f.: -(9-10*x)/(1-x)^2. - Bruno Berselli, Sep 02 2011
a(n) = 2 a(n-1) - a(n-2). a(n) = -A022965(n). - M. F. Hasler, Apr 18 2015
MAPLE
A023451 := n -> n-9; # M. F. Hasler, Apr 18 2015
MATHEMATICA
Range[0, 60]-9 (* Harvey P. Dale, Jan 15 2015 *)
PROG
(PARI) a(n)=n-9
CROSSREFS
KEYWORD
sign,easy
AUTHOR
STATUS
approved