1,2

C. Rivera, Source 3

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

P. De Geest, Palindromic Sums of Squares of Consecutive Integers

Cf. A050239.

Sequence in context: A140145 A166643 A038302 this_sequence A070607 A135439 A049733

Adjacent sequences: A050233 A050234 A050235 this_sequence A050237 A050238 A050239

nonn,nice,bref,hard

Eric Weisstein (eric(AT)weisstein.com)

No others < 20000000000 - Patrick De Geest (pdg(AT)worldofnumbers.com), 8/99.