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A010735 Period 2: repeat (9,10). 3
9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10, 9, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
Continued fraction expansion of A176523. - R. J. Mathar, Mar 08 2012
LINKS
FORMULA
G.f. ( -9-10*x ) / ( (x-1)*(1+x) ). - R. J. Mathar, Nov 21 2011
MATHEMATICA
Table[9 + Mod[n, 2], {n, 0, 50}] (* Jinyuan Wang, Feb 26 2020 *)
PadRight[{}, 70, {9, 10}] (* Harvey P. Dale, Sep 23 2021 *)
PROG
(PARI) a(n)=n%2+9 \\ Charles R Greathouse IV, Jul 13 2016
CROSSREFS
Sequence in context: A020508 A158001 A157763 * A063543 A096166 A240919
KEYWORD
nonn,easy
AUTHOR
STATUS
approved

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Last modified May 20 12:18 EDT 2024. Contains 372712 sequences. (Running on oeis4.)