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Search: id:A153349
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| A153349 |
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Period 6: repeat 1,7,4,4,7,1. |
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+0
1
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| 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4, 4, 7, 1, 1, 7, 4
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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Also: the decimal expansion of 5287/30303. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 03 2009]
Terms of the simple continued fraction of 2026/(sqrt(4173845)-263). [From Paolo P. Lava (ppl(AT)spl.at), Feb 17 2009]
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FORMULA
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a(n)=(1/30)*{8*(n mod 6)+38*[(n+1) mod 6]-7*[(n+2) mod 6]+8*[(n+3) mod 6]+23*[(n+4) mod 6]-22*[(n+5) mod 6]}, with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Dec 31 2008]
G.f.: (x^4+6x^3-2x^2+6x+1)/((1-x)(x^2-x+1)(1+x+x^2)). a(n) = 4 + 3*A099837(n+2)/2 + 3*A010892(n+4)/2. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 03 2009]
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CROSSREFS
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Sequence in context: A065477 A100041 A153840 this_sequence A154172 A021577 A019810
Adjacent sequences: A153346 A153347 A153348 this_sequence A153350 A153351 A153352
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KEYWORD
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nonn
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Dec 24 2008
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EXTENSIONS
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Extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 03 2009
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