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A156755
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Period 9: repeat 1,1,2,1,1,2,2,2,3.
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1
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1, 1, 2, 1, 1, 2, 2, 2, 3, 1, 1, 2, 1, 1, 2, 2, 2, 3, 1, 1, 2, 1, 1, 2, 2, 2, 3, 1, 1, 2, 1, 1, 2, 2, 2, 3, 1, 1, 2, 1, 1, 2, 2, 2, 3, 1, 1, 2, 1, 1, 2, 2, 2, 3, 1, 1, 2, 1, 1, 2, 2, 2, 3, 1, 1, 2, 1, 1, 2, 2, 2, 3, 1, 1, 2, 1, 1, 2, 2, 2, 3, 1, 1, 2, 1, 1, 2, 2, 2, 3, 1, 1, 2, 1, 1, 2, 2, 2, 3, 1, 1, 2, 1, 1, 2
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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COMMENTS
| Decimal expansion of 37370741/333333333. Terms of the simple continued fraction of 358/[sqrt(511229)-507]. [From Paolo P. Lava (paoloplava(AT)gmail.com), Feb 23 2009]
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FORMULA
| a(n)=(1/108)*{29*(n mod 9)-7*[(n+1) mod 9]+5*[(n+2) mod 9]+5*[(n+3) mod 9]-7*[(n+4) mod 9]+5*[(n+5) mod 9]+17*[(n+6) mod 9]-7*[(n+7) mod 9]+5*[(n+8) mod 9]}, with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Feb 23 2009]
G.f.: (1+x+2*x^2+x^3+x^4+2*x^5+2*x^6+2*x^7+3*x^8)/((1-x)*(1+x+x^2)*(x^6+x^3+1)). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 06 2009]
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MATHEMATICA
| PadRight[{}, 105, {1, 1, 2, 1, 1, 2, 2, 2, 3}] (* From Harvey P. Dale, Nov 01 2011 *)
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CROSSREFS
| Suggested by A090822.
Sequence in context: A029285 A134337 A053633 * A090822 A091975 A091976
Adjacent sequences: A156752 A156753 A156754 * A156756 A156757 A156758
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KEYWORD
| nonn,easy
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AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), Feb 15 2009
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EXTENSIONS
| More periods from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 06 2009
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