id:A090437 - OEIS Search Results

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Alternating row sums of array A078740 ((3,2)-Stirling2).

+0
2

1, 1, -17, -299, 1921, 451621, 23016631, -138672407, -208026131039, -31455532865879, -2214855733827329, 358045039222582141, 197933737480453452193, 51028310360637930765901, 6769736050165112232649351, -1644881699523140953828119599 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n)= sum(((-1)^k)A078740(n, k), k=2..2n), n>=1.`
	CROSSREFS	`Sequence in context: A001026 A041546 A083453 this_sequence A007805 A129992 A142428` `Adjacent sequences: A090434 A090435 A090436 this_sequence A090438 A090439 A090440`
	KEYWORD	`sign,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Dec 23 2003`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research