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A126651 A 7 x 7 magic square. +0
8
71, 1, 51, 32, 50, 2, 80, 21, 41, 61, 56, 26, 13, 69, 31, 81, 11, 20, 62, 65, 17, 34, 40, 60, 43, 28, 64, 18, 48, 42, 22, 54, 39, 75, 7, 33, 53, 15, 68, 16, 44, 58, 49, 29, 67, 14, 66, 24, 38 (list; graph; listen)
OFFSET

1,1

COMMENT

The magic sum is 287. See Figure C.4 in Appendix C in Maya Ahmed's PhD thesis.

REFERENCES

M. Ahmed, "How many squares are there, Mr. Franklin?: Constructing and Enumerating Franklin Squares", Amer. Math. Monthly, Vol. 111, 2004, pp. 394-410.

LINKS

M. Ahmed, PhD thesis UC Davis, 2004.

EXAMPLE

The magic square is:

71 1 51 32 50 2 80

21 41 61 56 26 13 69

31 81 11 20 62 65 17

34 40 60 43 28 64 18

48 42 22 54 39 75 7

33 53 15 68 16 44 58

49 29 67 14 66 24 38

CROSSREFS

Sequence in context: A087043 A126648 A126650 this_sequence A126649 A051324 A128856

Adjacent sequences: A126648 A126649 A126650 this_sequence A126652 A126653 A126654

KEYWORD

fini,full,nonn,tabf

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Feb 08 2007

EXTENSIONS

Arxiv URL replaced by non-cached version - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 23 2009

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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