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A070380 5^n mod 32. 0
1, 5, 25, 29, 17, 21, 9, 13, 1, 5, 25, 29, 17, 21, 9, 13, 1, 5, 25, 29, 17, 21, 9, 13, 1, 5, 25, 29, 17, 21, 9, 13, 1, 5, 25, 29, 17, 21, 9, 13, 1, 5, 25, 29, 17, 21, 9, 13, 1, 5, 25, 29, 17, 21, 9, 13, 1, 5, 25, 29, 17, 21, 9, 13, 1, 5, 25, 29, 17, 21, 9, 13, 1, 5, 25, 29, 17, 21, 9 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,1). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 20 2010]

FORMULA

a(n)=(1/28)*{57*(n mod 8)+[(n+1) mod 8]+57*[(n+2) mod 8]+[(n+3) mod 8]+57*[(n+4) mod 8]+[(n+5) mod 8]-55*[(n+6) mod 8]+[(n+7) mod 8]}, with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Feb 24 2010]

a(n) = +a(n-8). G.f.: ( -1-5*x-25*x^2-29*x^3-17*x^4-21*x^5-9*x^6-13*x^7 ) / ( (x-1)*(1+x)*(x^2+1)*(x^4+1) ). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 20 2010]

PROG

(Other) sage: [power_mod(5, n, 32)for n in xrange(0, 79)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Nov 26 2009]

(MAGMA)[5^n mod 32: n in [0..80]]; // From Vincenzo Librandi, Feb 07 2011

CROSSREFS

Sequence in context: A137111 A137110 A036137 * A068574 A000350 A000221

Adjacent sequences:  A070377 A070378 A070379 * A070381 A070382 A070383

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), May 12 2002

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Last modified February 15 17:46 EST 2012. Contains 205835 sequences.