id:A073016 - OEIS Search Results

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Decimal expansion of the sum(1/binomial(2*n,n),n=1..infinity).

+0
4

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

	OFFSET	`0,1`
	LINKS	`Simon Plouffe, sum(1/n^n,n=1..infinity)` `Eric Weisstein's World of Mathematics, Central Binomial Coefficient`
	FORMULA	`sum(1/binomial(2n, n), n=1..infinity) = (9 + 2Sqrt[3]*Pi)/27.`
	EXAMPLE	`0.7363998587187...`
	MATHEMATICA	`RealDigits[ N[ (9 + 2Sqrt[3]Pi)/27, 110]] [[1]]`
	CROSSREFS	`Sequence in context: A030760 A021580 A091682 this_sequence A019819 A023643 A050009` `Adjacent sequences: A073013 A073014 A073015 this_sequence A073017 A073018 A073019`
	KEYWORD	`cons,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 03 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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