A325742 First term of n-th difference sequence of (floor(Pi*k/3)), k >= 0.

1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -22, 253, -2024, 12650, -65780, 296010, -1184040, 4292145, -14307150, 44352165, -129024480, 354817320, -927983760, 2319959400, -5567902560, 12875774670, -28781143380, 62359143990

Offset: 1

Author

Clark Kimberling, Jun 05 2019

Keywords

• easy
• sign

Links

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

Crossrefs

Cf. A019670, A325664.

Programs

Mathematica

Table[First[Differences[Table[Floor[(Pi/3)*n], {n, 0, 50}], n]], {n, 1, 50}]