login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A287228
Number of matchings in the n-triangular honeycomb obtuse knight graph.
1
1, 1, 1, 27, 2376, 298062, 66426798, 47833036802, 119487298588717, 857547047985463278
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,4
LINKS
Table of n, a(n) for n=1..10.
Stan Wagon,
Graph Theory Problems from Hexagonal and Traditional Chess
, The College Mathematics Journal, Vol. 45, No. 4, September 2014, pp. 278-287.
Eric Weisstein's World of Mathematics,
Independent Edge Set
Eric Weisstein's World of Mathematics,
Matching
CROSSREFS
Cf.
A287229
,
A287230
.
Sequence in context:
A366181
A272630
A060629
*
A086206
A323314
A295022
Adjacent sequences:
A287225
A287226
A287227
*
A287229
A287230
A287231
KEYWORD
nonn
,
more
AUTHOR
Eric W. Weisstein
, May 22 2017
EXTENSIONS
a(9)-a(10) from
Andrew Howroyd
, Jul 17 2017
STATUS
approved
Lookup
|
Welcome
|
Wiki
|
Register
|
Music
|
Plot 2
|
Demos
|
Index
|
Browse
|
More
|
WebCam
Contribute new seq. or comment
|
Format
|
Style Sheet
|
Transforms
|
Superseeker
|
Recents
The OEIS Community
| Maintained by
The OEIS Foundation Inc.
License Agreements, Terms of Use, Privacy Policy.
.
Last modified April 19 14:50 EDT 2024. Contains 371792 sequences. (Running on oeis4.)