Numbers n such that n^4 can be written as a sum of four 4th powers with no common factor.
353, 651, 2487, 2501, 2829, 3723, 3973, 4267, 4333, 4449, 4949, 5281, 5463, 5491
1 seqfan posts
Wed Jan 14 19:41:56 CET 2009 [seqfan] njas to Tony Noe, bad b-file