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A021499 Decimal expansion of 1/495. 2
0, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
0,3
COMMENTS
0, then repeat 0, 2. [Arkadiusz Wesolowski, Jul 22 2011]
LINKS
FORMULA
a(n) = 1 + (-1)^n - 2*0^n = (-1 - A033999(n))*A062157(n). [Arkadiusz Wesolowski, Jul 22 2011]
G.f.: 2*x^2/(1-x^2). - Bruno Berselli, Jul 22 2011
MATHEMATICA
Join[{0, 0}, RealDigits[1/495, 10, 120][[1]]] (* or *) PadRight[{0}, 120, {2, 0}] (* Harvey P. Dale, Dec 13 2020 *)
CROSSREFS
Sequence in context: A277162 A230103 A267602 * A176742 A010673 A084099
KEYWORD
nonn,cons
AUTHOR
STATUS
approved

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Last modified May 28 19:55 EDT 2024. Contains 372919 sequences. (Running on oeis4.)