id:A157698 - OEIS Search Results

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Decimal expansion of sqrt(2)*(1+1/sqrt(3))+2*sqrt(2/5+1/sqrt(5)).

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

	OFFSET	`1,1`
	COMMENT	`Equals 4*sum_{n=0..infinity} binomial(8n,4n)/8^(4n) .`
	LINKS	`D. H. Lehmer, Interesting series involving the Central Binomial Coefficient, Am. Math. Monthly 92, no 7 (1985) 449-457.`
	EXAMPLE	`4.0715942738206731530648... = 4 * 1.017898568455...`
	MAPLE	`sqrt(2)+sqrt(6)/3+2*sqrt(2/5+1/sqrt(5)) ;`
	CROSSREFS	`Sequence in context: A027857 A052400 A022895 this_sequence A057641 A133930 A077892` `Adjacent sequences: A157695 A157696 A157697 this_sequence A157699 A157700 A157701`
	KEYWORD	`cons,easy,nonn`
	AUTHOR	`R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 04 2009`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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