A126648 A 3 X 3 magic square with magic sum 123 and entries congruent to 1 (mod 10): equals 10*A033812 - 9.

71, 1, 51, 21, 41, 61, 31, 81, 11

Offset

1,1

Comments

The magic sum is 123. See Figure C.4 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

Index entries for sequences related to magic squares

Formula

a(n) = 10*A033812(n) - 9. - M. F. Hasler, Jan 26 2019

Example

The magic square is:
  71  1 51
  21 41 61
  31 81 11

Crossrefs

Cf. A033812.

Sequence in context: A265728 A186073 A087043 * A126650 A126651 A126649

Adjacent sequences: A126645 A126646 A126647 * A126649 A126650 A126651

Keyword

fini,full,nonn,tabf

Author

Parthasarathy Nambi, Feb 08 2007

Extensions

Edited by M. F. Hasler, Jan 26 2019

Status

approved