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A093341 Decimal expansion of "lemniscate case". 2
1, 8, 5, 4, 0, 7, 4, 6, 7, 7, 3, 0, 1, 3, 7, 1, 9, 1, 8, 4, 3, 3, 8, 5, 0, 3, 4, 7, 1, 9, 5, 2, 6, 0, 0, 4, 6, 2, 1, 7, 5, 9, 8, 8, 2, 3, 5, 2, 1, 7, 6, 6, 9, 0, 5, 5, 8, 5, 9, 2, 8, 0, 4, 5, 0, 5, 6, 0, 2, 1, 7, 7, 6, 8, 3, 8, 1, 1, 9, 9, 7, 8, 3, 5, 7, 2, 7, 1, 8, 6, 1, 6, 5, 0, 3, 7, 1, 8, 9, 7, 2, 7, 7, 7, 7 (list; constant; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions with Formulas, Graphs and Mathematical Tables, 9th printing. New York: Dover, 1972, Section 18.14.7, p. 658.

Jonathan Borwein & Peter Borwein, A Dictionary of Real Numbers. Pacific Grove, California: Wadsworth & Brooks/Cole Advanced Books & Software (1990) p. iii

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,5000

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions with Formulas, Graphs and Mathematical Tables, Section 18.14.7, p. 658.

Eric Weisstein's World of Mathematics, Lemniscate Case.

FORMULA

GAMMA(1/4)^2/(4*(Pi)^(1/2)) - Pab Ter (pabrlos(AT)yahoo.com), May 24 2004

EXAMPLE

1.854074677301371918433850347195260046217598823521766905585928045056021... [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 19 2009]

MATHEMATICA

RealDigits[ N[ Gamma[1/4]^2 / (4*Sqrt[Pi]), 105]][[1]] (* From Jean-François Alcover, Oct 04 2011 *)

PROG

(PARI) { allocatemem(932245000); default(realprecision, 5080); x=gamma(1/4)^2/(4*(Pi)^(1/2)); for (n=1, 5000, d=floor(x); x=(x-d)*10; write("b093341.txt", n, " ", d)); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 19 2009]

CROSSREFS

Cf. A064853, A062539.

Sequence in context: A154509 A081885 A019609 * A134973 A030437 A200290

Adjacent sequences:  A093338 A093339 A093340 * A093342 A093343 A093344

KEYWORD

cons,nonn

AUTHOR

Jun Mizuki (suzuki32(AT)sanken.osaka-u.ac.jp), Apr 26 2004

EXTENSIONS

More terms from Pab Ter (pabrlos(AT)yahoo.com), May 24 2004

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Last modified February 16 14:37 EST 2012. Contains 205930 sequences.