id:A140240 - OEIS Search Results

Search: id:A140240

Displaying 1-1 of 1 results found.

page 1

Decimal expansion of arccos(7/8).

+0
11

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

	OFFSET	`0,1`
	COMMENT	`Angle in radians of the least angle of the obtuse scalene triangle with sides of lengths 2, 3 and 4, the scalene triangle with least integer side lengths.` `A140240 + A140242 + A140244 = arccos(7/8) + arccos(11/16) + arccos(-1/4) = Pi.`
	FORMULA	`arccos(7/8) = arcsin(sqrt(15)/8) = arctan(sqrt(15)/7).`
	EXAMPLE	`0.50536051028415730697131487398742194450438746619367638726784755748115012096...`
	PROGRAM	`(PARI) acos(7/8)`
	CROSSREFS	`Cf. A140239, A140241, A140242, A140243, A140244, A140245, A140246, A140247, A140248, A140249.` `Sequence in context: A036478 A059628 A073441 this_sequence A091672 A144702 A156716` `Adjacent sequences: A140237 A140238 A140239 this_sequence A140241 A140242 A140243`
	KEYWORD	`cons,nonn`
	AUTHOR	`Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 14 2008`

page 1

Search completed in 0.002 seconds

Last modified December 4 08:03 EST 2009. Contains 170310 sequences.

AT&T Labs Research