OFFSET
0,1
LINKS
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (2,-1).
FORMULA
a(n) = 2 a(n-1) - a(n-2). a(n) = -A022993(n) = A256958(n-37). G.f.: (-37 + 38*x)/(1 - x)^2. - M. F. Hasler, Apr 18 2015
MAPLE
A023479 := n -> n-37; # M. F. Hasler, Apr 18 2015
MATHEMATICA
Range[0, 60]-37 (* M. F. Hasler, Apr 18 2015 *)
PROG
(PARI) a(n)=n-37 \\ M. F. Hasler, Apr 19 2015
CROSSREFS
KEYWORD
sign,easy
AUTHOR
STATUS
approved