The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A125700 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A125700

Number of connected categories with n more morphisms than objects.
(history; published version)

#12 by Michael De Vlieger at Thu Aug 31 08:15:44 EDT 2023

STATUS

reviewed

approved

#11 by Joerg Arndt at Thu Aug 31 02:53:43 EDT 2023

STATUS

proposed

reviewed

#10 by Michel Marcus at Thu Aug 31 01:57:37 EDT 2023

STATUS

editing

proposed

#9 by Michel Marcus at Thu Aug 31 01:57:30 EDT 2023

KEYWORD

bref,nonn,hard,more,nonn,changed

STATUS

proposed

editing

#8 by Ben Spitz at Wed Aug 30 22:50:02 EDT 2023

STATUS

editing

proposed

#7 by Ben Spitz at Wed Aug 30 22:49:15 EDT 2023

DATA

1, 3, 15, 77, 494, 4068

EXTENSIONS

a(4)-a(5) from Ben Spitz, Aug 30 2023

STATUS

approved

editing

Discussion

Wed Aug 30

22:49

Ben Spitz: I was able to compute these numbers using my database https://github.com/diracdeltafunk/SmallCategories

#6 by Alois P. Heinz at Tue Jul 18 14:43:08 EDT 2023

STATUS

editing

approved

#5 by Alois P. Heinz at Tue Jul 18 14:42:13 EDT 2023

FORMULA

a(n) = Sum_{k=1}^{..n+1} A125699(n+k,k}).

STATUS

approved

editing

#4 by Russ Cox at Sat Mar 31 20:01:59 EDT 2012

AUTHOR

Franklin T. Adams-Watters and _Christian G. Bower (bowerc(AT)usa.net), _, Jan 05 2007

Discussion

Sat Mar 31

20:01

OEIS Server: https://oeis.org/edit/global/999

#3 by Russ Cox at Fri Mar 30 17:35:17 EDT 2012

AUTHOR

_Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net) _ and Christian Bower (bowerc(AT)usa.net), Jan 05 2007

Discussion

Fri Mar 30

17:35

OEIS Server: https://oeis.org/edit/global/165