OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..5000
Index entries for linear recurrences with constant coefficients, signature (2,-1).
FORMULA
G.f.: (1 + 27*x)/(1-x)^2. - Indranil Ghosh, Apr 05 2017
E.g.f.: (1 + 28*x)*exp(x). - G. C. Greubel, Sep 18 2019
MAPLE
seq(1+28*n, n=0..60); # G. C. Greubel, Sep 18 2019
MATHEMATICA
Range[1, 1700, 28] (* Vladimir Joseph Stephan Orlovsky, Jun 15 2011 *)
CoefficientList[Series[(1+27x)/(1-x)^2, {x, 0, 60}], x] (* Michael De Vlieger, Apr 05 2017 *)
PROG
(Magma) [28*n + 1: n in [0..60]]; // Vincenzo Librandi, May 04 2011
(PARI) vector(60, n, 28*n-27) \\ G. C. Greubel, Sep 18 2019
(Sage) [1+28*n for n in (0..60)] # G. C. Greubel, Sep 18 2019
(GAP) List([0..60], n-> 1+28*n); # G. C. Greubel, Sep 18 2019
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Reinhard Zumkeller, Jun 17 2009
STATUS
approved