id:A134827 - OEIS Search Results

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Alternating row sums of triangle A134285, called s2(3)'.

+0
3

1, 2, 8, 18, 78, 206, 872, 2226, 10820, 26558, 129248, 335886, 1630174, 3990978, 21778450, 48749804, 274937594, 650637382, 3598954596, 7610277626, 49741540498, 93757794966, 639655810986, 1233712869392, 8530089042832 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n))=sum(A134285(n,m)*(-1)^(m-1),m=1..n), n>=1.`
	CROSSREFS	`Cf. A134826 (row sums of triangle A134285).` `Sequence in context: A054358 A074128 A061226 this_sequence A134789 A058217 A072675` `Adjacent sequences: A134824 A134825 A134826 this_sequence A134828 A134829 A134830`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Nov 13 2007`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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