OFFSET
0,1
COMMENTS
Source: the De Loera et al. article and the Haws website listed in A160747.
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (4,-6,4,-1).
FORMULA
a(n) = 121*n^4/12 +40*n^3+869*n^2/12 +125*n/2 +21. - R. J. Mathar, Sep 11 2011
MATHEMATICA
Table[(121*n^4 +480*n^3 +869*n^2 +750*n +252)/12, {n, 0, 30}] (* G. C. Greubel, Apr 26 2018 *)
PROG
(PARI) for(n=0, 30, print1((121*n^4 +480*n^3 +869*n^2 +750*n +252)/12, ", ")) \\ G. C. Greubel, Apr 26 2018
(Magma) [(121*n^4 +480*n^3 +869*n^2 +750*n +252)/12: n in [0..30]]; // G. C. Greubel, Apr 26 2018
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Nov 18 2009
STATUS
approved