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 A121241 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Table of n, a(n) for n=0..102. FORMULA a(n) = (-1)^(1+A088567(n)). CROSSREFS Sequence in context: A064179 A065357 A119665 * A122188 A158388 A162285 Adjacent sequences: A121238 A121239 A121240 * A121242 A121243 A121244 KEYWORD sign AUTHOR Philippe Deléham, Aug 22 2006 STATUS approved

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Last modified February 21 03:04 EST 2024. Contains 370219 sequences. (Running on oeis4.)