A134831 - OEIS

This site is supported by donations to The OEIS Foundation.

A134831

Alternating row sums of triangle A134830.

1, 1, 2, 0, 12, -26, 312, -1338, 16684, -104994, 1463904, -12138218, 190104132, -1956240066, 34206491416, -420374124426, 8140714373532, -116318340148898, 2474986205007504, -40312051604277354 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	FORMULA	`a(n)=sum(A134830(n,k)*(-1)^(k-1),k=1..n+1), n>=0.`
	CROSSREFS	`Sequence in context: A104014 A002929 A112261 * A074001 A180189 A013316` `Adjacent sequences: A134828 A134829 A134830 * A134832 A134833 A134834`
	KEYWORD	`sign,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Jan 21 2008`

Content is available under The OEIS End-User License Agreement .

Last modified February 16 09:27 EST 2012. Contains 205904 sequences.