The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A294152 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A294152

Chromatic invariant of the n-antiprism graph.
(history; published version)

#37 by R. J. Mathar at Wed Jan 08 10:29:56 EST 2020

STATUS

editing

approved

#36 by R. J. Mathar at Wed Jan 08 10:29:52 EST 2020

FORMULA

a(n) = lucaslA005248(2*n) - 2*n - 1.

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approved

editing

#35 by Bruno Berselli at Thu Nov 16 14:23:55 EST 2017

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proposed

approved

#34 by Colin Barker at Thu Nov 16 13:38:56 EST 2017

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editing

proposed

#33 by Colin Barker at Thu Nov 16 13:38:27 EST 2017

LINKS

Colin Barker, <a href="/A294152/b294152.txt">Table of n, a(n) for n = 1..1000</a>

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approved

editing

#32 by N. J. A. Sloane at Thu Nov 16 10:23:54 EST 2017

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proposed

approved

#31 by Eric W. Weisstein at Thu Nov 16 08:47:31 EST 2017

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editing

proposed

Discussion

Thu Nov 16

08:52

Peter Luschny: Which script is the most efficient one?

08:55

Eric W. Weisstein: LinearRecurrence

#30 by Eric W. Weisstein at Thu Nov 16 08:47:29 EST 2017

MATHEMATICA

CoefficientList[Series[(x (2 + x - x^2))/((-1 + x)^2 (1 - 3 x + x^2)), {x, 0, 20}], x]

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approved

editing

#29 by Susanna Cuyler at Thu Nov 16 08:11:38 EST 2017

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proposed

approved

#28 by Eric W. Weisstein at Thu Nov 16 07:56:51 EST 2017

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editing

proposed