OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..10000
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (2,-1).
FORMULA
From Colin Barker, Jun 06 2012: (Start)
a(n) = 2*a(n-1) - a(n-2).
G.f.: (7 + 4*x)/(1-x)^2. (End)
E.g.f.: (7 + 11*x)*exp(x). - G. C. Greubel, Sep 19 2019
MAPLE
seq(11*n+7, n=0..60); # G. C. Greubel, Sep 19 2019
MATHEMATICA
Range[7, 1000, 11] (* Vladimir Joseph Stephan Orlovsky, May 29 2011 *)
PROG
(Magma) [(11*n+7): n in [0..60]]; // Vincenzo Librandi, Sep 04 2011
(PARI) vector(60, n, 11*n-4) \\ G. C. Greubel, Sep 19 2019
(Sage) [11*n+7 for n in (0..60)] # G. C. Greubel, Sep 19 2019
(GAP) List([0..60], n-> 11*n+7); # G. C. Greubel, Sep 19 2019
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved