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A156755 Period 9: repeat 1,1,2,1,1,2,2,2,3. 1
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; text; internal format)
OFFSET

0,3

COMMENTS

Decimal expansion of 37370741/333333333. Terms of the simple continued fraction of 358/[sqrt(511229)-507]. [From Paolo P. Lava, Feb 23 2009]

LINKS

Table of n, a(n) for n=0..104.

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, 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, Mar 06 2009]

MATHEMATICA

PadRight[{}, 105, {1, 1, 2, 1, 1, 2, 2, 2, 3}] (* Harvey P. Dale, Nov 01 2011 *)

CROSSREFS

Suggested by A090822.

Sequence in context: A268341 A053633 A216460 * A090822 A091975 A091976

Adjacent sequences:  A156752 A156753 A156754 * A156756 A156757 A156758

KEYWORD

nonn,easy

AUTHOR

Paul Curtz, Feb 15 2009

EXTENSIONS

More periods from R. J. Mathar, Mar 06 2009

STATUS

approved

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Last modified July 5 04:05 EDT 2020. Contains 335459 sequences. (Running on oeis4.)