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A140663 Decimal expansion of the number x defined by x^(x^x) = 27. +0
1
2, 0, 7, 1, 9, 6, 9, 2, 2, 9, 0, 8, 2, 3, 1, 2, 9, 1, 5, 2, 3, 4, 1, 9, 0, 5, 5, 6, 3, 6, 3, 2, 9, 5, 7, 7, 7, 8, 5, 3, 5, 3, 3, 8, 0, 7, 5, 9, 5, 4, 1, 1, 6, 2, 2, 7, 1, 7, 4, 9, 0, 8, 1, 8, 3, 9, 4, 6, 6, 6, 1, 0, 9, 8, 5, 2, 7, 7, 3, 4, 0, 0, 6, 9, 0, 0, 6, 6, 5, 7, 7, 5, 4, 6, 3, 0, 9, 8, 5, 3, 8, 5, 4, 6, 2 (list; cons; graph; listen)
OFFSET

1,1

EXAMPLE

2.07196922908231...

MAPLE

Digits := 120: x := 2.071 : for i from 1 to 30 do xxx := x^(x^x) : n := xxx-27 : d := xxx*(x^x*log(x)*(1+log(x))+x^(x-1)) ; x := evalf(x-n/d) ; print(x) ; od: [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 08 2008]

CROSSREFS

Cf. A093590.

Sequence in context: A142709 A022897 A156442 this_sequence A105394 A011343 A021486

Adjacent sequences: A140660 A140661 A140662 this_sequence A140664 A140665 A140666

KEYWORD

cons,nonn

AUTHOR

Joshua Taylor (archmageomega(AT)hotmail.com), Jul 11 2008

EXTENSIONS

Extended beyond 15 digits by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 08 2008

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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