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

Author

Parthasarathy Nambi, Feb 08 2007

Keywords

• fini
• full
• nonn
• tabf

Comments

The magic sum is 123. See Figure C.4 in Appendix C in Maya Ahmed's PhD thesis.

Examples

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

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
• Index entries for sequences related to magic squares

Crossrefs

Cf. A033812.

Formula

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

Extensions

Edited by M. F. Hasler, Jan 26 2019