This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A087646 #9 Oct 19 2017 03:14:22 %S A087646 26,2,5,28,0,10,97337,17,2188,3126,2198,37,0,50,129,65,226,82,197,101, %T A087646 0,2026,1001,145,42850,170,485,0,6860,0,7745,257,0,290,1729,14348908, %U A087646 1332,362,2705,401,0,442,0,9217,0,530,21905 %N A087646 a(n) is the first term of the first run of exactly n non-perfect-powers. %e A087646 a(3)=5 because (5,6,7) is the smallest consecutive triple of non-powers, followed by (33,34,35), (122,123,124), ... %e A087646 The zeros above are conjectured and correspond to terms of A023057. %Y A087646 Cf. A001597, A023057, A053289. %Y A087646 A complement to A001597. %K A087646 hard,nonn %O A087646 1,1 %A A087646 _Lekraj Beedassy_, Sep 23 2003 %E A087646 Edited by _Don Reble_, Sep 26 2003