id:A104007 - OEIS Search Results

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Denominators of coefficients in expansion of x^2*(1-exp(-2*x))^(-2).

+0
3

4, 2, 12, 6, 60, 90, 378, 945, 2700, 9450, 20790, 93555, 116093250, 638512875, 1403325, 18243225, 43418875500, 325641566250, 4585799468250, 38979295480125, 161192575293750, 1531329465290625, 640374140030625, 13447856940643125, 17558223649022306250 (list; graph; listen)

	OFFSET	`0,1`
	MATHEMATICA	`Denominator[ CoefficientList[ Series[x^2*(1 - E^(-2x))^(-2), {x, 0, 33}], x]] (from Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 20 2005)`
	CROSSREFS	`See A098087 for further information.` `Adjacent sequences: A104004 A104005 A104006 this_sequence A104008 A104009 A104010` `Sequence in context: A137447 A077015 A077016 this_sequence A143376 A111667 A019239`
	KEYWORD	`nonn,frac`
	AUTHOR	`njas, Apr 17 2005`

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Last modified January 8 02:43 EST 2009. Contains 152824 sequences.

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