

A126654


A 3 x 3 magic square.


7




OFFSET

1,1


COMMENTS

The magic sum is 60. See Figure C.6 in Appendix C in Maya Ahmed's PhD thesis.


LINKS

Table of n, a(n) for n=1..9.
Maya Mohsin Ahmed, Algebraic Combinatorics of Magic Squares, arXiv:math/0405476 [math.CO], 2004. PhD thesis.
Maya Mohsin Ahmed, How many squares are there, Mr. Franklin?: Constructing and Enumerating Franklin Squares, Amer. Math. Monthly, Vol. 111, 2004, pp. 394410.


FORMULA

a(n) = ( A116198(n) + 1 ) * 4.  Martin Ettl, Nov 12 2012


EXAMPLE

The magic square is:
32 4 24
12 20 28
16 36 8


CROSSREFS

Sequence in context: A070623 A249597 A303322 * A058382 A070617 A298922
Adjacent sequences: A126651 A126652 A126653 * A126655 A126656 A126657


KEYWORD

fini,full,nonn,tabf


AUTHOR

Parthasarathy Nambi, Feb 08 2007


STATUS

approved



