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A325739
First term of n-th difference sequence of (floor(Pi*k)), k >= 0.
2
3, 0, 0, 0, 0, 0, 0, 1, -8, 36, -120, 330, -792, 1716, -3431, 6420, -11320, 18768, -28764, 38760, -38760, 1, 149204, -571780, 1613128, -3964050, 8934120, -18874260, 37748521, -71705864, 129080160, -218205280, 339081224, -459957168, 459957168, 1, -1749692736
OFFSET
1,1
LINKS
MATHEMATICA
Table[First[Differences[Table[Floor[Pi*n], {n, 0, 50}], n]], {n, 1, 50}]
CROSSREFS
Sequence in context: A341743 A348945 A151755 * A181004 A051344 A236534
KEYWORD
easy,sign
AUTHOR
Clark Kimberling, May 23 2019
STATUS
approved