OFFSET
1,1
COMMENTS
Three rows, three columns and one diagonal sum to the same number: 394310739 = A271022(1).
LINKS
EXAMPLE
The semimagic square is
|---------|---------|---------|
| 4713241 |182439049|207158449|
|---------|---------|---------|
|278990209| 76545001| 38775529|
|---------|---------|---------|
|110607289|135326689|148376761|
|---------|---------|---------|
It is:
|---------|---------|---------|
| 2171^2 | 13507^2 | 14393^2 |
|---------|---------|---------|
| 16703^2 | 8749^2 | 6227^2 |
|---------|---------|---------|
| 10517^2 | 11633^2 | 12181^2 |
|---------|---------|---------|
CROSSREFS
KEYWORD
nonn,fini,full,tabf
AUTHOR
Arkadiusz Wesolowski, Mar 31 2016
STATUS
approved