A140663 - OEIS

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A140663

Decimal expansion of the number x defined by x^(x^x) = 27.

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; constant; graph; refs; listen; history; internal format)

	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^xlog(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: A192496 A156442 A174968 * A198108 A105394 A196767` `Adjacent sequences: A140660 A140661 A140662 * 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 February 14 13:08 EST 2012. Contains 205623 sequences.