id:A151924 - OEIS Search Results

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A151924

Decimal expansion of first local maximum of x^2*sin(x).

+0
1

2, 2, 8, 8, 9, 2, 9, 7, 2, 8, 1, 0, 3, 4, 0, 4, 3, 6, 4, 8, 2, 1, 4, 1, 4, 1, 7, 2, 1, 7, 3, 7, 2, 9, 6, 4, 3, 6, 2, 1, 3, 9, 3, 5, 3, 8, 0, 1, 8, 5, 6, 6, 6, 1, 4, 8, 2, 9, 0, 2, 3, 6, 3, 8, 1, 0, 4, 0, 4, 3, 4, 6, 8, 5, 6, 3, 9, 4, 4, 4, 1, 9, 2, 8, 3, 4, 2, 2, 0, 3, 2, 3, 0, 7, 9, 3, 9, 1, 9, 8, 7, 8, 6, 6, 8 (list; cons; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A solution to 2*tan(x)+x=0. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 06 2009]`
	LINKS	`Wolfram\|Alpha, Wolfram Alpha computational knowledge engine home page..`
	EXAMPLE	`2.288929728103405...`
	MAPLE	`Digits := 120 ; x := 2.28 ; for it from 1 to 20 do x := x-(2tan(x)+x)/(3+2tan(x)^2) ; print(x) ; od: CONSTTOLIST(x) ; [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 06 2009]`
	MATHEMATICA	`NMaximize[{x^2 Sin[x]}, {x}]` `RealDigits[x/.FindRoot[2*Tan[x]==-x{x, 2.288929728103405}, WorkingPrecision->200]][[1]] [From Zak Seidov (zakseidov(AT)yahoo.com), Aug 06 2009]`
	CROSSREFS	`Sequence in context: A094887 A021441 A138102 this_sequence A058524 A072576 A060818` `Adjacent sequences: A151921 A151922 A151923 this_sequence A151925 A151926 A151927`
	KEYWORD	`nonn,cons`
	AUTHOR	`Robert G. Wilson v, (rgwv(AT)rgwv.com), Aug 06 2009.`
	EXTENSIONS	`More digits from R. J. Mathar (mathar(AT)strw.leidenuniv.nl) and Zak Seidov (zakseidov(AT)yahoo.com), Aug 06 2009`

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

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