The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A129434 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A129434

Number of isomorphism classes of connected 7-regular multigraphs of order 2n, loops allowed.
(history; published version)

#10 by Joerg Arndt at Sun Mar 22 02:00:13 EDT 2020

STATUS

reviewed

approved

#9 by Michel Marcus at Sun Mar 22 00:51:02 EDT 2020

STATUS

proposed

reviewed

#8 by Andrew Howroyd at Sat Mar 21 23:24:22 EDT 2020

STATUS

editing

proposed

#7 by Andrew Howroyd at Sat Mar 21 23:23:33 EDT 2020

DATA

4, 91, 12398, 8530044, 20068725095, 122563246940846, 1657847267734501346, 44557979504639651662163, 2193071655191529316254072193, 185380797361862371952777763438426

EXTENSIONS

a(6)-a(710) added by Andrew Howroyd, Mar 19 21 2020

#6 by Andrew Howroyd at Thu Mar 19 14:31:13 EDT 2020

DATA

4, 91, 12398, 8530044, 20068725095, 122563246940846, 1657847267734501346

EXTENSIONS

a(6) -a(7) added by Andrew Howroyd, Mar 19 2020

#5 by Andrew Howroyd at Thu Mar 19 12:44:26 EDT 2020

FORMULA

Inverse Euler transform of A129435. - _Andrew Howroyd_, Mar 19 2020

#4 by Andrew Howroyd at Thu Mar 19 12:44:07 EDT 2020

DATA

4, 91, 12398, 8530044, 20068725095, 122563246940846

COMMENTS

Computed Initial terms computed using software at http://users.cecs.anu.edu.au/~bdm/nauty/

FORMULA

Inverse Euler transform of A129435.

CROSSREFS

Column k=7 of A333397.

Cf. A129435, A129423, A005967, A085549, A129430, A129432, A129436.

EXTENSIONS

a(6) added by Andrew Howroyd, Mar 19 2020

STATUS

approved

editing

#3 by N. J. A. Sloane at Sat Mar 18 16:13:47 EDT 2017

COMMENTS

Computed using software at http://csusers.cecs.anu.edu.au/~bdm/nauty/

Discussion

Sat Mar 18

16:13

OEIS Server: https://oeis.org/edit/global/2618

#2 by Charles R Greathouse IV at Thu Oct 03 09:33:46 EDT 2013

AUTHOR

_Brendan McKay (bdm(at)cs.anu.edu.au), _, Apr 15 2007

Discussion

Thu Oct 03

09:33

OEIS Server: https://oeis.org/edit/global/1983

#1 by N. J. A. Sloane at Sat Nov 10 03:00:00 EST 2007

NAME

Number of isomorphism classes of connected 7-regular multigraphs of order 2n, loops allowed.

DATA

4, 91, 12398, 8530044, 20068725095

OFFSET

1,1

COMMENTS

Computed using software at http://cs.anu.edu.au/~bdm/nauty/

CROSSREFS

Cf. A129435, A129423, A005967, A085549, A129430, A129432, A129436

KEYWORD

nonn

AUTHOR

Brendan McKay (bdm(at)cs.anu.edu.au), Apr 15 2007

STATUS

approved