Svoboda
|
Graniru
|
BBC Russia
|
Golosameriki
|
Facebook
login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A081262
Number of distinct (modulo rotation and reflection) n X n associative magic squares.
2
1, 0, 1, 48, 48544, 0, 1125154039419854784
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,4
LINKS
Table of n, a(n) for n=1..7.
Go Kato, Shin-ichi Minato,
Enumeration of associative magic squares of order 7
, arXiv:1906.07461 [math.CO], 2019.
Walter Trump,
How many magic squares are there? - Results of historical and computer enumeration
.
Eric Weisstein's World of Mathematics,
Associative Magic Square
Index entries for sequences related to magic squares
CROSSREFS
Cf.
A006052
,
A081263
.
Sequence in context:
A370515
A292516
A006070
*
A340186
A238001
A228143
Adjacent sequences:
A081259
A081260
A081261
*
A081263
A081264
A081265
KEYWORD
nonn
,
hard
,
more
AUTHOR
Eric W. Weisstein
, Mar 14 2003
EXTENSIONS
a(5) from
Jud McCranie
, Mar 17 2003
a(6) from
Max Alekseyev
, May 22 2008
a(7) from
Go Kato
, Nov 30 2018
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 August 8 11:12 EDT 2024. Contains 375021 sequences. (Running on oeis4.)