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A325842
First term of n-th difference sequence of (round(k*sqrt(5))), k >= 0.
1
2, 0, 1, -3, 6, -10, 16, -28, 56, -120, 256, -528, 1056, -2080, 4096, -8128, 16256, -32640, 65535, -131308, 262446, -523260, 1039720, -2053600, 4014856, -7726160, 14539590, -26553320, 46611620, -77558760, 119394740, -161230720, 161230720, 0, -623001635
OFFSET
1,1
LINKS
MATHEMATICA
Table[First[Differences[Table[Round[Sqrt[5]*n], {n, 0, 50}], n]], {n, 1, 50}]
CROSSREFS
Cf. A325664.
Sequence in context: A267901 A276561 A325746 * A153506 A325670 A271701
KEYWORD
easy,sign
AUTHOR
Clark Kimberling, Jun 09 2019
STATUS
approved