id:A140273 - OEIS Search Results

Search: id:A140273

Displaying 1-1 of 1 results found.

page 1

Decimal expansion of 180*arctan(3*sqrt(15)/29)/Pi.

+0
2

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

	OFFSET	`2,1`
	COMMENT	`The Brocard angle in degrees of the obtuse scalene triangle with sides of lengths 2, 3, and 4, the scalene triangle with least integer side lengths. See formulas in the Weisstein link.`
	LINKS	`Eric Weisstein's World of Mathematics, Brocard Angle.`
	FORMULA	`180arctan(3sqrt(15)/29)/Pi = 180A140272/Pi = 180arctan(4*A140239/29)/Pi.`
	EXAMPLE	`21.8336779918244521003850617600545717959829354103823836061588021960485224460...`
	PROGRAM	`(PARI) 180atan(3sqrt(15)/29)/Pi`
	CROSSREFS	`Cf. A140272, A140239.` `Adjacent sequences: A140270 A140271 A140272 this_sequence A140274 A140275 A140276` `Sequence in context: A001281 A065826 A123235 this_sequence A021462 A082834 A075647`
	KEYWORD	`cons,nonn`
	AUTHOR	`Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 16 2008`

page 1

Search completed in 0.002 seconds

Last modified October 6 16:13 EDT 2008. Contains 144667 sequences.

AT&T Labs Research