OFFSET
0,3
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..1000
FORMULA
G.f.: x*(1 + 120*x + 2157*x^2 + 7792*x^3 + 7827*x^4 + 2136*x^5 + 127*x^6)/(1-x)^9. - Vincenzo Librandi, Dec 10 2014
MATHEMATICA
Table[n (n^7 + 1)/2, {n, 0, 40}] (* or *) CoefficientList[Series[x (1 + 120 x + 2157 x^2 + 7792 x^3 + 7827 x^4 + 2136 x^5 + 127 x^6) / (1 - x)^9, {x, 0, 40}], x] (* Vincenzo Librandi, Dec 10 2014 *)
PROG
(Magma) [n*(n^7+1)/2: n in [0..40]]; // Vincenzo Librandi, Dec 10 2014
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Dec 11 2009
EXTENSIONS
More terms from Vincenzo Librandi, Dec 10 2014
STATUS
approved