id:A084099 - OEIS Search Results

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Expansion of (1+x)^2/(1+x^2).

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5

1, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0, 2, 0, -2, 0 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Inverse binomial transform of A077860. Partial sums of A084100.` `Transform of sqrt(1+2x)/sqrt(1-2x) (A063886) under the Chebyshev transformation A(x)->((1-x^2)/(1+x^2))A(x/(1+x^2)). - Paul Barry (pbarry(AT)wit.ie), Oct 12 2004`
	CROSSREFS	`Sequence in context: A096972 A101227 A021499 this_sequence A010673 A036665 A053472` `Adjacent sequences: A084096 A084097 A084098 this_sequence A084100 A084101 A084102`
	KEYWORD	`easy,sign`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 15 2003`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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