id:A143582 - OEIS Search Results

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Denominators of coefficient of x^(n+1/2) in the series expansion of the haversine.

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1, 3, 20, 56, 576, 1408, 6656, 5120, 278528, 622592, 2752512, 6029312, 52428800, 113246208, 486539264, 1040187392, 11811160064, 15032385536, 317827579904, 223338299392, 5634997092352, 11819749998592, 3298534883328 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Eric Weisstein's World of Mathematics, Inverse Haversine`
	EXAMPLE	`2Sqrt[z] + z^(3/2)/3 + (3z^(5/2))/20 + (5z^(7/2))/56 + (35z^(9/2))/576 + ...`
	CROSSREFS	`Cf. A143581.` `Sequence in context: A075358 A002461 A031106 this_sequence A132404 A062359 A099721` `Adjacent sequences: A143579 A143580 A143581 this_sequence A143583 A143584 A143585`
	KEYWORD	`nonn,frac`
	AUTHOR	`E. W. Weisstein (eric(AT)weisstein.com), Aug 24, 2008`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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