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1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36, 37, 1, 7, 6, 42, 36
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Index to sequences with linear recurrences with constant coefficients, signature (1,0,-1,1). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 20 2010]
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FORMULA
| a(n) = +a(n-1) -a(n-3) +a(n-4). G..f: ( -1-6*x+x^2-37*x^3 ) / ( (x-1)*(1+x)*(x^2-x+1) ). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 20 2010]
a(n)=(1/30)*{223*(n mod 6)+38*[(n+1) mod 6]+73*[(n+2) mod 6]-137*[(n+3) mod 6]+48*[(n+4) mod 6]+13*[(n+5) mod 6]}, with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), May 14 2010]
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PROG
| (Other) sage: [power_mod(7, n, 43)for n in xrange(0, 83)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Nov 27 2009]
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CROSSREFS
| Sequence in context: A198460 A163260 A073112 * A163842 A038272 A130553
Adjacent sequences: A070422 A070423 A070424 * A070426 A070427 A070428
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), May 12 2002
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