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A325841 First term of n-th difference sequence of (round(k*sqrt(3))), k >= 0. 1
2, -1, 2, -3, 4, -6, 12, -28, 64, -136, 272, -528, 1024, -2016, 4032, -8128, 16383, -32878, 65621, -130188, 256158, -497420, 946352, -1748000, 3100078, -5200300, 8048666, -10897033, 10897061, -435, -41847869, 161227527, -461566314, 1165457645, -2740966304 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Table[First[Differences[Table[Round[Sqrt[3]*n], {n, 0, 50}], n]], {n, 1, 50}]
CROSSREFS
Cf. A325664.
Sequence in context: A173497 A022875 A350404 * A076480 A002730 A081664
KEYWORD
easy,sign
AUTHOR
Clark Kimberling, Jun 09 2019
STATUS
approved

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Last modified May 26 23:00 EDT 2024. Contains 372847 sequences. (Running on oeis4.)