The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A292207 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A292207

Number of unrooted unlabeled bipartite cubic maps on a compact closed oriented surface with 2*n vertices (and thus 3*n edges).
(history; published version)

#15 by N. J. A. Sloane at Thu Jan 23 21:57:49 EST 2025

STATUS

proposed

approved

#14 by Andrey Zabolotskiy at Thu Jan 23 16:59:49 EST 2025

STATUS

editing

proposed

#13 by Andrey Zabolotskiy at Thu Jan 23 10:48:29 EST 2025

NAME

Number of unrooted unlabelled unlabeled bipartite cubic maps on a compact closed oriented surface with 2*n vertices (and thus 3*n edges).

#12 by Andrey Zabolotskiy at Fri Jan 17 10:27:36 EST 2025

OFFSET

0,1

1,1

LINKS

L. Laura Ciobanu, A. and Alexander Kolpakov, <a href="https://arxivdoi.org/abs10.1016/1708j.disc.2019.01.03842014">Free subgroups of free products and combinatorial hypermaps</a>, Discrete Mathematics, 342 (2019), 1415-1433; arXiv:<a href="https://arxiv.org/abs/1708.03842">1708.03842 </a> [math.CO], 2017-2019.

EXTENSIONS

Offset edited by Andrey Zabolotskiy, Jan 17 2025

STATUS

approved

editing

#11 by Joerg Arndt at Sun Sep 17 03:58:00 EDT 2017

STATUS

editing

approved

#10 by Joerg Arndt at Sun Sep 17 03:57:50 EDT 2017

KEYWORD

nonn,more,new

STATUS

reviewed

editing

#9 by Michel Marcus at Sun Sep 17 00:50:04 EDT 2017

STATUS

proposed

reviewed

#8 by Sasha Kolpakov at Sun Sep 17 00:17:35 EDT 2017

STATUS

editing

proposed

#7 by Sasha Kolpakov at Sun Sep 17 00:17:26 EDT 2017

DATA

2, 3, 16, 133, 1440, 22076, 401200, 8523946, 206375088, 5611089408, 169259764912, 5610386295418, 202710195084400, 7929759557219228, 333909047017798272, 15059194651009154172, 724232293050284717248

STATUS

approved

editing

#6 by N. J. A. Sloane at Mon Sep 11 19:58:20 EDT 2017

STATUS

proposed

approved