A091542 a(n) = floor( |n * sin(n)| ), where n is in radians.

0, 0, 1, 0, 3, 4, 1, 4, 7, 3, 5, 10, 6, 5, 13, 9, 4, 16, 13, 2, 18, 17, 0, 19, 21, 3, 19, 25, 7, 19, 29, 12, 17, 32, 17, 14, 35, 23, 11, 37, 29, 6, 38, 35, 0, 38, 41, 5, 36, 46, 13, 34, 51, 20, 30, 54, 29, 24, 57, 37, 18, 58, 45, 10, 58, 53, 1, 57, 61, 7, 54, 67, 18, 49, 72, 29, 43, 76