OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (6,-15,20,-15,6,-1).
FORMULA
a(n) = ((n^5 - n - 1) - 9)/10.
G.f.: (-1+5*x-7*x^2+16*x^3-2*x^4+x^5)/(-1+x)^6. - R. J. Mathar, Nov 14 2007
MATHEMATICA
Table[((n^5 - n - 1) - 9)/10, {n, 0, 100}]
CROSSREFS
KEYWORD
sign,easy
AUTHOR
Artur Jasinski, Oct 20 2007
STATUS
approved