

A081262


Number of distinct (modulo rotation and reflection) n X n associative magic squares.


1




OFFSET

1,4


LINKS

Table of n, a(n) for n=1..7.
Go Kato, Shinichi Minato, Enumeration of associative magic squares of order 7, arXiv:1906.07461 [math.CO], 2019.
Walter Trump, How many magic squares are there?
Eric Weisstein's World of Mathematics, Associative Magic Square


CROSSREFS

Cf. A006052, A081263.
Sequence in context: A011787 A292516 A006070 * A238001 A228143 A008704
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



