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Inverse of number triangle A(n,k)=if(k<=n,if(n<=2k,1/(3-2*0^n),0),0).

+0
2

1, 0, 3, 0, -3, 3, 0, 3, -3, 3, 0, 0, 0, -3, 3, 0, -3, 3, 0, -3, 3, 0, 0, 0, 0, 0, -3, 3, 0, 3, -3, 3, 0, 0, -3, 3, 0, 0, 0, 0, 0, 0, 0, -3, 3, 0, 0, 0, -3, 3, 0, 0, 0, -3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, -3, 3, 0, -3, 3, 0, -3, 3 (list; table; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Row sums are A127802.`
	EXAMPLE	`Triangle begins` `1,` `0, 3,` `0, -3, 3,` `0, 3, -3, 3,` `0, 0, 0, -3, 3,` `0, -3, 3, 0, -3, 3,` `0, 0, 0, 0, 0, -3, 3,` `0, 3, -3, 3, 0, 0, -3, 3,` `0, 0, 0, 0, 0, 0, 0, -3, 3,` `0, 0, 0, -3, 3, 0, 0, 0, -3, 3,` `0, 0, 0, 0, 0, 0, 0, 0, 0, -3, 3,` `0, -3, 3, 0, -3, 3, 0, 0, 0, 0, -3, 3,` `0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -3, 3` `Inverse of triangle` `1,` `0, 1/3,` `0, 1/3, 1/3,` `0, 0, 1/3, 1/3,` `0, 0, 1/3, 1/3, 1/3,` `0, 0, 0, 1/3, 1/3, 1/3,` `0, 0, 0, 1/3, 1/3, 1/3, 1/3,` `0, 0, 0, 0, 1/3, 1/3, 1/3, 1/3,` `0, 0, 0, 0, 1/3, 1/3, 1/3, 1/3, 1/3,` `0, 0, 0, 0, 0, 1/3, 1/3, 1/3, 1/3, 1/3,` `0, 0, 0, 0, 0, 1/3, 1/3, 1/3, 1/3, 1/3, 1/3`
	CROSSREFS	`Sequence in context: A016035 A112470 A115379 this_sequence A096597 A097994 A053604` `Adjacent sequences: A127798 A127799 A127800 this_sequence A127802 A127803 A127804`
	KEYWORD	`sign,tabl`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jan 29 2007`

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Last modified September 6 09:40 EDT 2008. Contains 143480 sequences.

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