id:A112000 - OEIS Search Results

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A112000

One half of third column (k=2) of triangle A111999.

+0
2

-3, 65, -1190, 22050, -433125, 9144135, -208107900, 5099994900, -134219460375, 3781060408125, -113633468798850, 3631422078033750, -123022987568105625, 4405418319999571875, -166312279434175875000, 6602853358582065585000, -275059081486584416896875 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`a(n)=A111999(n+3, 2)/2, n>=0`
	CROSSREFS	`Cf. Second (k=1) column: A000906(n+2)(-1)^n = 2A000457(n+2)*(-1)^n, n>=0.` `Sequence in context: A099338 A119924 A084883 this_sequence A012804 A012837 A036778` `Adjacent sequences: A111997 A111998 A111999 this_sequence A112001 A112002 A112003`
	KEYWORD	`sign,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Sep 12 2005`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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