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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

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. 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

Adjacent sequences:  A126651 A126652 A126653 * A126655 A126656 A126657

KEYWORD

fini,full,nonn,tabf

AUTHOR

Parthasarathy Nambi, Feb 08 2007

STATUS

approved

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Last modified September 26 11:48 EDT 2020. Contains 337371 sequences. (Running on oeis4.)