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A070398
a(n) = 6^n mod 29.
1
1, 6, 7, 13, 20, 4, 24, 28, 23, 22, 16, 9, 25, 5, 1, 6, 7, 13, 20, 4, 24, 28, 23, 22, 16, 9, 25, 5, 1, 6, 7, 13, 20, 4, 24, 28, 23, 22, 16, 9, 25, 5, 1, 6, 7, 13, 20, 4, 24, 28, 23, 22, 16, 9, 25, 5, 1, 6, 7, 13, 20, 4, 24, 28, 23, 22, 16, 9, 25, 5, 1, 6, 7, 13, 20, 4, 24, 28, 23, 22, 16
OFFSET
0,2
LINKS
FORMULA
From R. J. Mathar, Apr 20 2010: (Start)
a(n) = a(n-1) - a(n-7) + a(n-8).
G.f.: ( -1-5*x-x^2-6*x^3-7*x^4+16*x^5-20*x^6-5*x^7 ) / ( (x-1)*(1+x)*(x^6-x^5+x^4-x^3+x^2-x+1) ). (End)
a(n) = a(n-14). - G. C. Greubel, Mar 18 2016
MATHEMATICA
PowerMod[6, Range[0, 50], 29] (* G. C. Greubel, Mar 18 2016 *)
PROG
(Sage) [power_mod(6, n, 29)for n in range(0, 81)] # Zerinvary Lajos, Nov 27 2009
(PARI) a(n) = lift(Mod(6, 29)^n); \\ Altug Alkan, Mar 18 2016
CROSSREFS
Sequence in context: A127020 A154662 A277567 * A022096 A041175 A041074
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 12 2002
STATUS
approved