id:A121241 - OEIS Search Results

Search: id:A121241

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Change 0 to -1 in A090678.

+0
1

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

	OFFSET	`0,1`
	FORMULA	`a(n) = (-1)^(1+A088567(n)).`
	CROSSREFS	`Sequence in context: A064179 A106400 A112865 this_sequence A122188 A130151 A131561` `Adjacent sequences: A121238 A121239 A121240 this_sequence A121242 A121243 A121244`
	KEYWORD	`sign`
	AUTHOR	`Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Aug 22 2006`

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.

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