OFFSET
0,1
COMMENTS
These numbers do not occur in A000045 (Fibonacci numbers). - Arkadiusz Wesolowski, Jan 08 2012
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
a(0)=4, a(1)=15, a(n) = 2*a(n-1) - a(n-2). - Harvey P. Dale, May 19 2012
From G. C. Greubel, Sep 18 2019: (Start)
G.f.: (4 + 7*x)/(1-x)^2.
E.g.f.: (4 + 11*x)*exp(x). (End)
MAPLE
seq(11*n+4, n=0..60); # G. C. Greubel, Sep 18 2019
MATHEMATICA
Range[4, 1000, 11] (* Vladimir Joseph Stephan Orlovsky, May 28 2011 *)
LinearRecurrence[{2, -1}, {4, 15}, 60] (* Harvey P. Dale, May 19 2012 *)
PROG
(Sage) list(range(4, 600, 11)) # Zerinvary Lajos, May 21 2009
(Magma)[11*n+4: n in [0..60]]; // Vincenzo Librandi, Sep 18 2011
(PARI) a(n)=11*n+4 \\ Charles R Greathouse IV, Oct 07 2015
(GAP) List([0..60], n-> 11*n+4); # G. C. Greubel, Sep 18 2019
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved