Revision History for A000843
(Underlined text is an addition;
strikethrough text is a deletion.)
Showing entries 1-10
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#20 by Alois P. Heinz at Wed Mar 11 18:00:12 EDT 2020
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#19 by Andrew Howroyd at Wed Mar 11 17:56:56 EDT 2020
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#18 by Andrew Howroyd at Wed Mar 11 13:25:23 EDT 2020
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#17 by Andrew Howroyd at Wed Mar 11 13:23:49 EDT 2020
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| DATA
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0, 0, 0, 1, 1, 4, 12, 66, 433, 3442, 30404, 294951, 3093770, 34846185, 419020738, 5355289843, 72466668921, 1034818990771, 15548633703424, 245182764121059, 4047990858838185, 69826392559499108, 1256005988628521464, 23517396850332614602, 457623646061902648705
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| KEYWORD
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nonn,more,changed
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#16 by Andrew Howroyd at Wed Mar 11 11:21:33 EDT 2020
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| DATA
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0, 0, 0, 1, 1, 4, 12, 66, 433, 3442, 30404, 294951, 3093770, 34846185, 419020738, 5355289843, 72466668921, 1034818990771, 15548633703424, 245182764121059, 4047990858838185, 69826392559499108, 1256005988628521464, 23517396850332614602
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| EXTENSIONS
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a(11)-a(2224) from Andrew Howroyd, Mar 10 2020
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#15 by Andrew Howroyd at Tue Mar 10 22:36:44 EDT 2020
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#14 by Andrew Howroyd at Tue Mar 10 22:02:17 EDT 2020
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| NAME
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QuarticNumber of quartic bicolored graphs on n unlabeled nodes admitting an automorphism exchanging the colors.
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| DATA
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0, 0, 0, 1, 1, 4, 12, 66, 433, 3442, 30404, 294951, 3093770, 34846185, 419020738, 5355289843, 72466668921, 1034818990771, 15548633703424, 245182764121059, 4047990858838185, 69826392559499108
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| CROSSREFS
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Cf. A000840.
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| EXTENSIONS
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a(11)-a(22) from Andrew Howroyd, Mar 10 2020
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| STATUS
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approved
editing
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#13 by Michel Marcus at Thu Oct 03 01:15:59 EDT 2013
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#12 by Michel Marcus at Wed Oct 02 23:59:52 EDT 2013
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#11 by Jon E. Schoenfield at Wed Oct 02 23:05:49 EDT 2013
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