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A126653 A 3 X 3 magic square with magic sum 45: the Loh-Shu square A033812 multiplied by 3. 8
24, 3, 18, 9, 15, 21, 12, 27, 6 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The magic sum is 45. 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) = 3*A033812(n). - M. F. Hasler, Jan 26 2019
EXAMPLE
The magic square is:
24 3 18
9 15 21
12 27 6
CROSSREFS
Cf. A126652 for 5*A033812.
Sequence in context: A202397 A040566 A070707 * A040567 A317324 A040561
KEYWORD
fini,full,nonn,tabf
AUTHOR
Parthasarathy Nambi, Feb 08 2007
EXTENSIONS
Edited by M. F. Hasler, Jan 26 2019
STATUS
approved

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Last modified June 23 15:10 EDT 2024. Contains 373651 sequences. (Running on oeis4.)