OFFSET
0,2
COMMENTS
Period = 4.
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,1).
FORMULA
a(n) = 625*A070370(n) for n>=4.
G.f.: (-8000*x^7-5600*x^6-3120*x^5-624*x^4-125*x^3-25*x^2-5*x-1)/(x^4-1). - Bruno Berselli, Sep 03 2012
MATHEMATICA
PowerMod[5, Range[0, 100], 10^4] (* Paolo Xausa, Feb 19 2024 *)
CROSSREFS
KEYWORD
nonn,easy,less
AUTHOR
V. Raman, Sep 01 2012
STATUS
approved