A081262 Number of distinct (modulo rotation and reflection) n X n associative magic squares.
1, 0, 1, 48, 48544, 0, 1125154039419854784
Offset: 1
Links
- 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
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