A166359 - OEIS

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A166359

Diagonal sums of the exponential Riordan array [1+x*atanh(x), x], A166357.

1, 3, 15, 197, 6909, 459383, 48252699, 7299708105, 1499523879481, 401147660278507, 135421121289695655, 56285769483090611085, 28237152577765405343285, 16821061018350834178553055 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`Aeration of this sequence gives the diagonal sums of A166357.`
	FORMULA	`a(n):=sum{k=0..n, C(n+k,2k)*A166356(k)}.`
	CROSSREFS	`Sequence in context: A063739 A060194 A068858 * A195515 A003505 A120601` `Adjacent sequences: A166356 A166357 A166358 * A166360 A166361 A166362`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Oct 12 2009`

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Last modified February 17 16:00 EST 2012. Contains 206050 sequences.