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 A051511 a(n) = floor(tan(2^n)). 0
 1, -3, 1, -7, 0, 0, 2, -2, 25, -1, -1, -1, -1, -4, 0, 2, -1, -24, 0, 0, 0, 0, 4, -1, -2, 4, -1, -2, 5, -1, -1, -5, 0, 1, 1, -1, -2, -1, -1, 2, 4, -1, 4, -1, 10, 0, 0, -6, 0, 1, -160, 0, 0, 0, 1, -17, 0, -1, -4, -4, -3, 0, 0, -14, 1, 7, 0, -1, -2, 1, 6, 0, 0, 0, 16, -1, -1, 1, 3390, -1, 1, -1, -2, 0, -5, -1, -2, 0, 0, 0, 0, -4, -2, 1, -2, 9, -6, 2, 30, 0, -1, -2, 0, -1, -3, -1, 0, 0, -1, -1, -2, -1, 0, 1, 2, 0, 0, -2, -1, 1, -1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS CROSSREFS Sequence in context: A025230 A152456 A128605 * A272030 A026499 A242114 Adjacent sequences:  A051508 A051509 A051510 * A051512 A051513 A051514 KEYWORD sign,easy AUTHOR EXTENSIONS More terms from James A. Sellers STATUS approved

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Last modified October 16 18:56 EDT 2019. Contains 328102 sequences. (Running on oeis4.)