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A073070 Binary expansion of 1/AGM(1,sqrt(2)). 1
0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

MATHEMATICA

1/ArithmeticGeometricMean[1, Sqrt[2]] // RealDigits[#, 2, 104]& // First // Prepend[#, 0]& (* Jean-Fran├žois Alcover, Mar 04 2013 *)

PROG

(PARI) a(n)=2^(n-1)\agm(sqrt(2), 1)%2 \\ Charles R Greathouse IV, Mar 03 2016

CROSSREFS

Cf. A014549.

Sequence in context: A284912 A192082 A296066 * A189687 A284653 A099104

Adjacent sequences:  A073067 A073068 A073069 * A073071 A073072 A073073

KEYWORD

base,cons,nonn

AUTHOR

Benoit Cloitre, Aug 17 2002

STATUS

approved

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Last modified March 26 18:36 EDT 2019. Contains 321511 sequences. (Running on oeis4.)