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A325668
First term of n-th difference sequence of (floor(k*r)), r = sqrt(5), k >= 0.
3
2, 0, 0, 0, 1, -5, 15, -35, 71, -135, 255, -495, 991, -2015, 4095, -8255, 16511, -32895, 65535, -130815, 261630, -523753, 1048322, -2096151, 4183700, -8324849, 16480854, -32363019, 62784774, -119759849, 223346544, -404491999, 705032194, -1166803109
OFFSET
1,1
LINKS
MATHEMATICA
Table[First[Differences[Table[Floor[Sqrt[5]*n], {n, 0, 50}], n]], {n, 1, 50}]
CROSSREFS
Inverse binomial transform of A022839.
Sequence in context: A226369 A320751 A263764 * A070202 A280129 A227344
KEYWORD
easy,sign
AUTHOR
Clark Kimberling, May 13 2019
STATUS
approved