The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A034327 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A034327

Triangle of numbers of connected regular (k X n)-matrix matroids of dimension k.
(history; published version)

#20 by Michael De Vlieger at Wed Jun 14 08:18:07 EDT 2023

STATUS

reviewed

approved

#19 by Joerg Arndt at Wed Jun 14 03:59:55 EDT 2023

STATUS

proposed

reviewed

#18 by Jon E. Schoenfield at Tue Jun 13 23:06:54 EDT 2023

STATUS

editing

proposed

#17 by Jon E. Schoenfield at Tue Jun 13 23:06:52 EDT 2023

EXAMPLE

1;

1 , 1;

1 , 1 , 1;

1 , 2 , 2 , 1;

...

STATUS

proposed

editing

#16 by Andrey Zabolotskiy at Tue Jun 13 12:34:39 EDT 2023

STATUS

editing

proposed

#15 by Andrey Zabolotskiy at Tue Jun 13 12:34:07 EDT 2023

EXAMPLE

1; 1; 1 1; 1 1 1; 1 2 2 1;...

The triangle begins:

1;

1 1;

1 1 1;

1 2 2 1;

...

AUTHOR

N. J. A. Sloane.

#14 by Andrey Zabolotskiy at Tue Jun 13 12:33:22 EDT 2023

CROSSREFS

Columns: A034329, A034330, A034331, A034332.

STATUS

proposed

editing

#13 by Andrey Zabolotskiy at Tue Jun 13 12:32:17 EDT 2023

STATUS

editing

proposed

#12 by Andrey Zabolotskiy at Tue Jun 13 12:32:08 EDT 2023

LINKS

H. Fripertinger, <a href="httphttps://wwwimsc.uni-graz.at/~fripertfripertinger/html/matroids/matroide_neu_2.html">Regular matroids</a>

STATUS

approved

editing

#11 by Joerg Arndt at Sat Apr 13 08:27:22 EDT 2013

STATUS

proposed

approved