id:A073017 - OEIS Search Results

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Decimal expansion of the product(1+1/n^3,n=1..infinity).

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

	OFFSET	`1,1`
	LINKS	`Simon Plouffe, product(1+1/n**3,n=1..infinity)` `S. Ramanujan, Notebook entry`
	FORMULA	`Sum(1/Binomial(2n, n), n=1..infinity) = 1/Gamma(-(-1)^(1/3))Gamma((-1)^(2/3)) = Cosh(0.5 Sqrt(3) * Pi)/Pi.`
	EXAMPLE	`2.42818979209887032873604143617914635...`
	MATHEMATICA	`RealDigits[ Re [N [Product[1 + 1/n^3, {n, 1, Infinity}], 110]]] [[1]]`
	CROSSREFS	`Sequence in context: A021416 A094756 A110925 this_sequence A059866 A093895 A030057` `Adjacent sequences: A073014 A073015 A073016 this_sequence A073018 A073019 A073020`
	KEYWORD	`cons,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 03 2002`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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