id:A132474 - OEIS Search Results

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Column 2 of triangle A132471.

+0
3

1, 3, 6, 54, 780, 16500, 465240, 16486512, 708621480, 36072738648, 2137167558432, 145394086979328, 11236518532643184, 977782595316947472, 95086323023335926048, 10266902547496839586848, 1223846872961573356310112 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Diagonal m of triangle T=A132471 equals diagonal m-1 of matrix power T^m for m>1: T(n,k) = [T^(n-k)](n-1,k) for n>=k>0, with T(n,n)=1 and T(n+1,n)=n+1 for n>=0.`
	CROSSREFS	`Cf. A132471 (triangle); other columns: A132472, A132473.` `Adjacent sequences: A132471 A132472 A132473 this_sequence A132475 A132476 A132477` `Sequence in context: A012275 A067608 A023177 this_sequence A032070 A066569 A051641`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Aug 22 2007`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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