Waring's problem: least positive integer requiring maximum number of terms when expressed as a sum of positive n-th powers.
1, 7, 23, 79, 223, 703, 2175, 6399, 19455, 58367, 176127, 528383, 1589247
1 seqfan posts
Tue Feb 3 23:26:57 CET 2009 [seqfan] Re: Broken Link in A006285