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A093828 Decimal expansion of (3*Pi)/8. +0
2
1, 1, 7, 8, 0, 9, 7, 2, 4, 5, 0, 9, 6, 1, 7, 2, 4, 6, 4, 4, 2, 3, 4, 9, 1, 2, 6, 8, 7, 2, 9, 8, 1, 3, 5, 8, 1, 5, 7, 3, 9, 3, 8, 5, 2, 4, 7, 6, 5, 6, 6, 4, 6, 8, 2, 8, 6, 5, 6, 0, 4, 2, 2, 2, 1, 1, 5, 4, 3, 1, 1, 5, 2, 3, 5, 7, 3, 2, 8, 3, 7, 4, 4, 8, 5, 5, 1, 3, 0, 5, 9, 5, 0, 3, 2, 9, 3, 9, 0, 0, 4, 9 (list; cons; graph; listen)
OFFSET

1,3

COMMENT

Area of an astroid with a = 1.

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,20000

Eric Weisstein's World of Mathematics, Astroid

EXAMPLE

1.17809724...

PROGRAM

(PARI) { default(realprecision, 20080); x=3*Pi/8; for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b093828.txt", n, " ", d)); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 18 2009]

CROSSREFS

Cf. A161685 Continued fraction. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 18 2009]

Sequence in context: A048430 A155846 A088396 this_sequence A010514 A073004 A021132

Adjacent sequences: A093825 A093826 A093827 this_sequence A093829 A093830 A093831

KEYWORD

nonn,cons,easy

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Apr 16, 2004

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.


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