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A140247 Decimal expansion of 8/sqrt(15). +0
12
2, 0, 6, 5, 5, 9, 1, 1, 1, 7, 9, 7, 7, 2, 8, 9, 0, 0, 5, 4, 2, 8, 9, 4, 1, 5, 4, 6, 5, 5, 0, 6, 1, 3, 1, 2, 5, 7, 7, 7, 5, 5, 8, 2, 4, 2, 8, 2, 2, 1, 8, 1, 7, 7, 4, 1, 8, 0, 0, 3, 9, 3, 4, 1, 9, 2, 7, 1, 9, 0, 9, 8, 2, 3, 6, 6, 3, 8, 8, 8, 1, 7, 8, 7, 6, 9, 5, 3, 2, 6, 7, 6, 5, 7, 9, 5, 9, 2, 0, 9, 5, 5, 5, 3, 6 (list; cons; graph; listen)
OFFSET

1,1

COMMENT

Circumradius of the obtuse scalene triangle with sides of lengths 2, 3 and 4, the scalene triangle with least integer side lengths. See formulas in the Weisstein link.

LINKS

Eric Weisstein's World of Mathematics, Circumradius.

FORMULA

8/sqrt(15) = 8/A010472.

EXAMPLE

2.06559111797728900542894154655061312577755824282218177418003934192719098236...

PROGRAM

(PARI) 8/sqrt(15)

CROSSREFS

Cf. A140239, A140240, A140241, A140242, A140243, A140244, A140245, A140246, A140248, A140249, A088543, A010472.

Sequence in context: A088508 A142457 A100711 this_sequence A111520 A145419 A142354

Adjacent sequences: A140244 A140245 A140246 this_sequence A140248 A140249 A140250

KEYWORD

cons,nonn

AUTHOR

Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 14 2008

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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