A271022
Magic sums of 3 X 3 semimagic squares of odd squares whose rows, columns, and at least one of the two main diagonals sum to the same number.
Original entry on oeis.org
394310739, 500961771, 929224371, 1025775531, 1059837819, 3548796651, 4508655939, 6001029211, 8363019339, 9231979779, 9538540371, 9857768475, 12524044275, 15048773931, 17542500091, 19321226211, 23230609275, 24547126779, 25644388275, 26495945475, 29179154203, 31939169859
Offset: 1
A269344
Magic sums of 3 X 3 semimagic squares composed of squares of primes.
Original entry on oeis.org
5691, 26859, 27531, 85659, 93219, 111699, 113331, 155739, 179091, 203571, 228459, 239379, 277419, 281499, 344931, 376971, 469011, 487491, 490299, 520491, 583779, 631491, 679539, 806547, 851211, 896091, 922659, 1004379, 1067619, 1099539, 1119459, 1134771
Offset: 1
Examples of 3 X 3 semimagic squares composed of squares of primes.
.
|-----|-----|-----|
| 11^2| 23^2| 71^2|
|-----|-----|-----|
| 43^2| 59^2| 19^2|
|-----|-----|-----|
| 61^2| 41^2| 17^2|
|-----|-----|-----|
The magic constant is 5691 = a(1).
.
|-----|-----|-----|
| 13^2| 67^2|149^2|
|-----|-----|-----|
| 89^2|127^2| 53^2|
|-----|-----|-----|
|137^2| 79^2| 43^2|
|-----|-----|-----|
The magic constant is 26859 = a(2).
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