id:A140242 - OEIS Search Results

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Decimal expansion of arccos(11/16).

+0
11

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

	OFFSET	`0,1`
	COMMENT	`Angle in radians of the larger acute 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(11/16) = arcsin(3sqrt(15)/16) = arctan(3sqrt(15)/11).`
	EXAMPLE	`0.81275556136866065877434938065861852534200350039703832958570095993218302170...`
	PROGRAM	`(PARI) acos(11/16)`
	CROSSREFS	`Cf. A140239, A140240, A140241, A140243, A140244, A140245, A140246, A140247, A140248, A140249.` `Sequence in context: A077464 A088373 A154167 this_sequence A156944 A021127 A010155` `Adjacent sequences: A140239 A140240 A140241 this_sequence A140243 A140244 A140245`
	KEYWORD	`cons,nonn`
	AUTHOR	`Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 14 2008`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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