The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A325670 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A325670

First term of n-th difference sequence of (floor(k*r)), r = sqrt(6), k >= 0.
(history; published version)

#6 by Andrey Zabolotskiy at Sun Feb 20 08:16:28 EST 2022

STATUS

editing

approved

#5 by Andrey Zabolotskiy at Sun Feb 20 08:16:18 EST 2022

CROSSREFS

Cf. A002840, A022840, A325664, A325671.

STATUS

approved

editing

#4 by Susanna Cuyler at Tue May 14 22:05:21 EDT 2019

STATUS

proposed

approved

#3 by Clark Kimberling at Mon May 13 15:47:16 EDT 2019

STATUS

editing

proposed

#2 by Clark Kimberling at Mon May 13 15:44:39 EDT 2019

NAME

allocated for Clark KimberlingFirst term of n-th difference sequence of (floor(k*r)), r = sqrt(6), k >= 0.

DATA

2, 0, 1, -3, 7, -15, 31, -63, 127, -255, 510, -1011, 1968, -3717, 6720, -11439, 17874, -24309, 24309, 0, -92358, 352485, -997569, 2485242, -5754024, 12680955, -26924184, 55410642, -110821283, 215426355, -406270425, 740354804, -1294617072, 2145852303

OFFSET

1,1

LINKS

Clark Kimberling, <a href="/A325670/b325670.txt">Table of n, a(n) for n = 1..200</a>

MATHEMATICA

Table[First[Differences[Table[Floor[Sqrt[6]*n], {n, 0, z}], n]], {n, 0, 50}]

CROSSREFS

Cf. A002840, A325671.

KEYWORD

allocated

easy,sign

AUTHOR

Clark Kimberling, May 13 2019

STATUS

approved

editing

#1 by Clark Kimberling at Sun May 12 15:27:57 EDT 2019

NAME

allocated for Clark Kimberling

KEYWORD

allocated

STATUS

approved