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 A070426 a(n) = 7^n mod 44. 1
 1, 7, 5, 35, 25, 43, 37, 39, 9, 19, 1, 7, 5, 35, 25, 43, 37, 39, 9, 19, 1, 7, 5, 35, 25, 43, 37, 39, 9, 19, 1, 7, 5, 35, 25, 43, 37, 39, 9, 19, 1, 7, 5, 35, 25, 43, 37, 39, 9, 19, 1, 7, 5, 35, 25, 43, 37, 39, 9, 19, 1, 7, 5, 35, 25, 43, 37, 39, 9, 19, 1, 7, 5, 35, 25, 43, 37, 39, 9, 19 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS G. C. Greubel, Table of n, a(n) for n = 0..1000 Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,-1,1). - R. J. Mathar, Apr 20 2010 FORMULA From R. J. Mathar, Apr 20 2010: (Start) a(n) = a(n-1) - a(n-5) + a(n-6). G.f.: ( -1 -6*x +2*x^2 -30*x^3 +10*x^4 -19*x^5 ) / ((x-1)*(1+x)(x^4-x^3+x^2-x+1) ). (End) a(n) = a(n-10). - G. C. Greubel, Mar 22 2016 MATHEMATICA PowerMod[7, Range[0, 80], 44] (* or *) PadLeft[{}, 80, {1, 7, 5, 35, 25, 43, 37, 39, 9, 19}] (* Harvey P. Dale, Oct 06 2011 *) PROG (Sage) [power_mod(7, n, 44) for n in range(0, 80)] # Zerinvary Lajos, Nov 27 2009 (PARI) a(n)=lift(Mod(7, 44)^n) \\ Charles R Greathouse IV, Mar 22 2016 (Magma) [Modexp(7, n, 44): n in [0..100]]; // Bruno Berselli, Mar 22 2016 CROSSREFS Sequence in context: A185269 A344917 A328758 * A341431 A142883 A146382 Adjacent sequences: A070423 A070424 A070425 * A070427 A070428 A070429 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, May 12 2002 STATUS approved

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Last modified September 15 18:36 EDT 2024. Contains 375954 sequences. (Running on oeis4.)