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A126654 A 3 x 3 magic square. 7
32, 4, 24, 12, 20, 28, 16, 36, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The magic sum is 60. See Figure C.6 in Appendix C in Maya Ahmed's PhD thesis.
LINKS
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. 394-410.
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
KEYWORD
fini,full,nonn,tabf
AUTHOR
Parthasarathy Nambi, Feb 08 2007
STATUS
approved

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Last modified June 20 12:17 EDT 2024. Contains 373527 sequences. (Running on oeis4.)