A325744 First term of n-th difference sequence of (floor(Pi*k/6)), k >= 0.

0, 1, -2, 4, -8, 16, -32, 64, -128, 256, -512, 1024, -2048, 4096, -8192, 16384, -32768, 65536, -131072, 262144, -524288, 1048576, -2097151, 4194280, -8388307, 16774590, -33536530, 67007280, -133718550, 266253060, -528213975, 1042120800, -2039889435

Offset: 1

Author

Clark Kimberling, Jun 06 2019

Keywords

• easy
• sign

Links

• Clark Kimberling, Table of n, a(n) for n = 1..200

Crossrefs

Cf. A019673, A325664.

Programs

Mathematica

Table[First[Differences[Table[Floor[(Pi/6)*n], {n, 0, 50}], n]], {n, 1, 50}]