Numbers not the sum of at most three perfect powers (A001597).

A113505

Numbers not the sum of at most three perfect powers (A001597).

Terms

    a(0) =7a(1) =15a(2) =23a(3) =87a(4) =111a(5) =119a(6) =167a(7) =335a(8) =1391a(9) =1455a(10) =1607a(11) =1679a(12) =1991a(13) =25887a(14) =26375

External references