The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A268163 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A268163

Number of labeled binary-ternary rooted non-planar trees, indexed by number of leaves.
(history; published version)

#40 by Michael De Vlieger at Wed Jul 14 11:37:30 EDT 2021

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reviewed

approved

#39 by Joerg Arndt at Wed Jul 14 11:19:21 EDT 2021

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proposed

reviewed

#38 by Michael De Vlieger at Wed Jul 14 10:27:34 EDT 2021

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editing

proposed

#37 by Michael De Vlieger at Wed Jul 14 10:27:30 EDT 2021

LINKS

James Christopher Whitehead, <a href="http://etheses.dur.ac.uk/13949/">The Production of Pairs of Isolated Photons at Higher Orders in QCD</a>, Ph. D. Thesis, Durham University (UK, 2021).

STATUS

approved

editing

#36 by Alois P. Heinz at Mon Feb 20 10:46:49 EST 2017

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editing

approved

#35 by Alois P. Heinz at Mon Feb 20 10:46:44 EST 2017

LINKS

Wikipedia, <a href="https://en.wikipedia.org/wiki/Feynman_diagram">Feynman diagram</a>

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approved

editing

#34 by Vaclav Kotesovec at Wed Feb 24 11:23:59 EST 2016

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editing

approved

#33 by Vaclav Kotesovec at Wed Feb 24 11:23:22 EST 2016

FORMULA

a(n) ~ sqrt(9-4*sqrt(3)) * ((12+9*sqrt(3))/11)^n * n^(n-1) / (3 * exp(n)). - Vaclav Kotesovec, Feb 24 2016

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approved

editing

#32 by Bruno Berselli at Wed Feb 24 11:16:20 EST 2016

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proposed

approved

#31 by Jean-François Alcover at Wed Feb 24 11:09:13 EST 2016

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editing

proposed