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 A010730 (17 -3*(-1)^n)/2. 2
 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Index entries for linear recurrences with constant coefficients, signature (0,1). FORMULA Period 2. a(n)=-3/2*(-1)^n+17/2 a(n)=10*(n mod 2)+7*[(n+1) mod 2] - Paolo P. Lava, Oct 27 2006 G.f. ( -7-10*x ) / ( (x-1)*(1+x) ). - R. J. Mathar, Nov 21 2011 MATHEMATICA PadRight[{}, 120, {7, 10}] (* Harvey P. Dale, Jul 08 2019 *) CROSSREFS Sequence in context: A180732 A266551 A070405 * A225694 A247191 A317336 Adjacent sequences:  A010727 A010728 A010729 * A010731 A010732 A010733 KEYWORD nonn,changed AUTHOR STATUS approved

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Last modified July 18 21:25 EDT 2019. Contains 325144 sequences. (Running on oeis4.)