OFFSET
0,1
LINKS
Tanya Khovanova, Recursive Sequences
Robert G. Wilson v, American English names for the numbers from 0 to 100999 without spaces or hyphens.
Index entries for linear recurrences with constant coefficients, signature (2,-1).
FORMULA
a(n) = 2 a(n-1) - a(n-2). a(n) = -A022961(n). G.f.: (-5+6*x)/(1-x)^2. - M. F. Hasler, Apr 18 2015
MATHEMATICA
Range[0, 60]-5 (* Harvey P. Dale, Feb 01 2016 *)
PROG
(PARI) a(n)=n-5
CROSSREFS
KEYWORD
sign,easy
AUTHOR
STATUS
approved