A131633 A 3 X 3 magic square read by rows.

31, 73, 7, 13, 37, 61, 67, 1, 43

Offset

1,1

Comments

The magic sum is 111. Except for the number 1, all other numbers in this magic square are primes.

References

J. A. H. Hunter, "Mathematical Brain-Teasers", Dover Publications, New York, (1976), pp. 52.

Links

Table of n, a(n) for n=1..9.

Example

The magic square is:
  31, 73,  7
  13, 37, 61
  67,  1, 43

Crossrefs

Sequence in context: A287609 A210548 A146353 * A291554 A084655 A083988

Adjacent sequences: A131630 A131631 A131632 * A131634 A131635 A131636

Keyword

fini,full,nonn,tabf

Author

Parthasarathy Nambi, Sep 04 2007

Status

approved