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A325732
First term of n-th difference sequence of (floor(k*r)), r = sqrt(3/4), k >= 0.
2
0, 1, -1, 1, -1, 1, -1, 0, 7, -35, 119, -329, 791, -1715, 3430, -6419, 11319, -18767, 28763, -38759, 38759, 1, -149228, 572057, -1615429, 3979001, -9014851, 19251001, -39309301, 77558760, -149239771, 282712561, -532577025, 1008032953, -1934671809, 3787949521
OFFSET
1,9
LINKS
MATHEMATICA
Table[First[Differences[Table[Floor[Sqrt[3/4]*n], {n, 0, 50}], n]], {n, 1, 50}]
CROSSREFS
Cf. A325664. Inverse binomial Transform of A171970 and A172475.
Cf. A010527 (sqrt(3/4)).
Sequence in context: A206723 A309920 A307041 * A124090 A250284 A328019
KEYWORD
easy,sign
AUTHOR
Clark Kimberling, May 20 2019
STATUS
approved