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A010715 Period 2: repeat (4,10). 2
4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10, 4, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
Continued fraction of 2 + sqrt(110)/5 = A176220. - R. J. Mathar, Nov 21 2011
LINKS
FORMULA
a(n) = -3*(-1)^n + 7. - Paolo P. Lava, Oct 20 2006
G.f. ( -4-10*x ) / ((x-1)*(1+x)). - R. J. Mathar, Nov 21 2011
MATHEMATICA
Table[4 + 6 Mod[n, 2], {n, 0, 50}] (* Jinyuan Wang, Feb 26 2020 *)
PadRight[{}, 80, {4, 10}] (* Harvey P. Dale, Jul 12 2021 *)
PROG
(PARI) a(n)=n%2*6+4 \\ Charles R Greathouse IV, Jul 13 2016
CROSSREFS
Sequence in context: A054048 A121512 A291527 * A151707 A059132 A059136
KEYWORD
nonn,easy
AUTHOR
STATUS
approved

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Last modified March 28 13:21 EDT 2024. Contains 371254 sequences. (Running on oeis4.)