[seqfan] Pairwise sums are squares.

[zak seidov]

Quintuplets a>b>c>d>e>0  
all 10 pairwise sums of which are squares:

763442,177458,148583,28658,7442
1295042,348482,208034,104447,9122
2149218,228546,127863,82818,23458
6825618,351423,112338,49266,7378
(terms sorted by a, then by b, etc.)

More terms?
n-tuples with n>5?

Thanks,Zak