A132037 - OEIS

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A132037

Decimal expansion of Product{k>0, 1-1/9^k}.

8, 7, 6, 5, 6, 0, 3, 5, 4, 0, 3, 5, 9, 6, 4, 2, 0, 5, 8, 3, 6, 0, 1, 9, 8, 3, 8, 4, 1, 7, 8, 6, 2, 0, 1, 0, 1, 0, 6, 6, 3, 5, 1, 0, 1, 1, 7, 4, 6, 7, 1, 8, 3, 3, 6, 1, 4, 9, 3, 5, 2, 8, 0, 1, 5, 8, 7, 0, 8, 5, 4, 2, 3, 1, 7, 1, 8, 2, 9, 9, 6, 9, 9, 0, 4, 4, 4, 7, 7, 7, 6, 9, 2, 0, 7, 9, 1, 9, 6, 4, 5, 0, 9 (list; constant; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	FORMULA	`exp(-sum{n>0, sigma_1(n)/n1/9^n})=exp(-sum{n>0, A000203(n)/n1/9^n}).` `Equals sum_{n>=0} A010815(n)/9^n. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 04 2009]`
	EXAMPLE	`0.8765603540359642058360198...`
	CROSSREFS	`Cf. A048651, A100220, A132025, A132026, A132038, A098844, A067080, A000203.` `Sequence in context: A090915 A194756 A132672 * A124597 A154209 A115373` `Adjacent sequences: A132034 A132035 A132036 * A132038 A132039 A132040`
	KEYWORD	`nonn,cons`
	AUTHOR	`Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), Aug 14 2007`

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Last modified February 15 21:27 EST 2012. Contains 205859 sequences.