The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A185340 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A185340

Irregular triangle E(n,g) counting not necessarily connected 4-regular simple graphs on n vertices with girth at least g.
(history; published version)

#8 by T. D. Noe at Wed Jan 02 14:31:20 EST 2013

STATUS

reviewed

approved

#7 by Joerg Arndt at Wed Jan 02 08:21:03 EST 2013

STATUS

proposed

reviewed

#6 by Jason Kimberley at Wed Jan 02 07:46:01 EST 2013

STATUS

editing

proposed

#5 by Jason Kimberley at Wed Jan 02 07:45:38 EST 2013

AUTHOR

~~~~

Jason Kimberley, Jan 02 2013

#4 by Jason Kimberley at Wed Jan 02 07:38:48 EST 2013

DATA

1, 1, 2, 6, 1, 16, 0, 60, 2, 266, 2, 1547, 12, 10786, 31, 88193, 220, 805579, 1606, 8037796, 16829, 86223660, 193900, 985883873, 2452820, 11946592242, 32670332, 1, 152808993767, 456028489, 2, 2056701139136, 6636066134, 8, 28566369866514, 100135577994, 131

OFFSET

0

5,3

COMMENTS

The first column is for girth at least 3. The row length is incremented to g-2 when n reaches A037233(g).

EXAMPLE

1;

2;

6, 1;

16, 0;

60, 2;

266, 2;

1547, 12;

10786, 31;

88193, 220;

805579, 1606;

8037796, 16829;

86223660, 193900;

985883873, 2452820;

11946592242, 32670332, 1;

152808993767, 456028489, 2;

2056701139136, 6636066134, 8;

28566369866514, 100135577994, 131;

AUTHOR

Jason Kimberley, Dec 26 2012

~~~~

#3 by Jason Kimberley at Wed Dec 26 13:19:04 EST 2012

KEYWORD

nonn,hard,tabf,changed

#2 by Jason Kimberley at Wed Dec 26 13:07:53 EST 2012

NAME

allocated for Jason KimberleyIrregular triangle E(n,g) counting not necessarily connected 4-regular simple graphs on n vertices with girth at least g.

DATA

0

OFFSET

0

LINKS

Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/E_k-reg_girth_ge_g_index">Index of sequences counting not necessarily connected k-regular simple graphs with girth at least g</a>

KEYWORD

allocated

nonn,hard

AUTHOR

Jason Kimberley, Dec 26 2012

STATUS

approved

editing

#1 by Jason Kimberley at Tue Jan 25 22:47:42 EST 2011

NAME

allocated for Jason Kimberley

KEYWORD

allocated

STATUS

approved