A108612 Beatty-2 (or nested Beatty) sequence for 1/sin(1).

1, 4, 9, 16, 25, 42, 56, 72, 90, 110, 143, 168, 195, 224, 255, 304, 340, 378, 418, 460, 504, 572, 621, 672, 725, 780, 864, 924, 986, 1050, 1116, 1216, 1287, 1360, 1435, 1512, 1591, 1710, 1794, 1880, 1968, 2058, 2193, 2288, 2385, 2484, 2585, 2736, 2842, 2950

Offset: 1

Author

Zak Seidov, Jun 13 2005

Keywords

• nonn

Crossrefs

Cf. A023800, A031943, A037918, A039215, A043091, A047253, A108120, A108611, A108613.

Formula

a(n) = floor(n*floor(n/sin(1))).