id:A049689 - OEIS Search Results

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a(n)=Sum{((-1)^(i+1))*T(i,n-i): i=0,1,...,n}, array T as in A049687.

+0
2

0, 0, 1, 0, 3, 0, 5, 0, 9, 0, 13, 0, 17, 0, 23, 0, 31, 0, 37, 0, 45, 0, 55, 0, 63, 0, 75, 0, 87, 0, 95, 0, 111, 0, 127, 0, 139, 0, 157, 0, 173, 0 (list; graph; listen)

	OFFSET	`0,5`
	CROSSREFS	`Sequence in context: A071649 A049283 A051704 this_sequence A118657 A047760 A050925` `Adjacent sequences: A049686 A049687 A049688 this_sequence A049690 A049691 A049692`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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