A108127 - OEIS

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A108127

Decimal expansion of arithmetic-geometric mean (AGM) of 1/Pi and 1/e.

0

3, 4, 2, 6, 4, 6, 3, 2, 5, 4, 3, 2, 8, 5, 6, 0, 0, 8, 2, 3, 8, 4, 5, 1, 4, 7, 9, 0, 6, 2, 0, 1, 7, 8, 1, 5, 8, 1, 6, 2, 4, 3, 1, 8, 1, 6, 9, 3, 1, 2, 6, 6, 5, 4, 1, 7, 5, 4, 6, 2, 3, 4, 7, 0, 7, 7, 2, 2, 4, 4, 6, 6, 3, 2, 2, 7, 3, 8, 3, 9, 8, 2, 6, 7, 4, 4, 1, 2, 3, 4, 4, 8, 7, 0, 2, 5, 6, 5, 3, 7, 8, 1, 2, 5, 2

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..105.

Eric Weisstein's World of Mathematics, Arithmetic-Geometric Mean.

FORMULA

AGM(1/Pi, 1/e)=0.342646325432856008238451479062017815816243181693126654...

MATHEMATICA

RealDigits[N[ArithmeticGeometricMean[1/Pi, 1/E], 130]][[1]]

PROG

(PARI) agm(exp(-1), 1/Pi) \\ Charles R Greathouse IV, Mar 03 2016

CROSSREFS

Sequence in context: A082928 A139524 A247413 * A207376 A213197 A049277

Adjacent sequences: A108124 A108125 A108126 * A108128 A108129 A108130

KEYWORD

nonn,cons

AUTHOR

Zak Seidov, Jun 04 2005

STATUS

approved