id:A078110 - OEIS Search Results

Search: id:A078110

Displaying 1-1 of 1 results found.

page 1

Decimal expansion of K210.

+0
1

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

	OFFSET	`0,10`
	COMMENT	`Related to modular functions and approximations to Pi : K210 is one of the most famous singular value calculated by Ramanujan. -2/sqrt(210)*log(K210/4) = 3.14159265358979323847198.. agrees with Pi to 20 decimal places`
	REFERENCES	`L. Berggren, J. Borwein and P. Borwein, "Pi a source Book", second edition, Springer, p. 592`
	FORMULA	`K210=(sqrt(2)-1)^2(2-sqrt(3))(sqrt(7)-sqrt(6))^2(8-3sqrt(7))(sqrt(10)-3)^2(sqrt(15)-sqrt(14))(4-sqrt(15))^2(6-sqrt(35))`
	EXAMPLE	`0.0000000005202524184706450480489....`
	CROSSREFS	`Sequence in context: A094096 A009826 A112871 this_sequence A093814 A063377 A147710` `Adjacent sequences: A078107 A078108 A078109 this_sequence A078111 A078112 A078113`
	KEYWORD	`cons,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 03 2002`

page 1

Search completed in 0.002 seconds

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research