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 A000493 a(n) = floor(sin(n)). 7
 0, 0, 0, 0, -1, -1, -1, 0, 0, 0, -1, -1, -1, 0, 0, 0, -1, -1, -1, 0, 0, 0, -1, -1, -1, -1, 0, 0, 0, -1, -1, -1, 0, 0, 0, -1, -1, -1, 0, 0, 0, -1, -1, -1, 0, 0, 0, 0, -1, -1, -1, 0, 0, 0, -1, -1, -1, 0, 0, 0, -1, -1, -1, 0, 0, 0, -1, -1, -1, -1, 0, 0, 0, -1, -1, -1, 0, 0, 0, -1, -1, -1, 0, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Robert Israel, Table of n, a(n) for n = 0..10000 FORMULA a(n) = -(A032615(n) mod 2). - Robert Israel, Jun 14 2015 MAPLE f := n->floor(evalf(sin(n))); MATHEMATICA f[ n_ ] := Floor[ N[ Sin[ n ] ] ] Floor[Sin[Range[0, 90]]] (* Harvey P. Dale, Dec 04 2012 *) PROG (MAGMA) [Floor(Sin(n)): n in [0..100]]; // Vincenzo Librandi, Jun 15 2015 CROSSREFS Cf. A032615. Sequence in context: A011661 A011660 A087101 * A011663 A091247 A085137 Adjacent sequences:  A000490 A000491 A000492 * A000494 A000495 A000496 KEYWORD sign,easy AUTHOR STATUS approved

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