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 A226814 #3 Jun 19 2013 02:26:04
%S A226814 2,6,7,11,26,31,37,41,61,126,131,161,217,221,241,341,626,631,661,841,
%T A226814 1297,1301,1321,1421,1921,3126,3131,3161,3341,4421,7777,7781,7801,
%U A226814 7901,8401,10901,15626,15631,15661,15841,16921,23401,46657,46661,46681,46781,47281
%N A226814 Numbers of the form 5^j + 6^k, for j and k >= 0.
%H A226814 T. D. Noe, <a href="/A226814/b226814.txt">Table of n, a(n) for n = 1..10000</a>
%t A226814 a = 5; b = 6; mx = 50000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]
%Y A226814 Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).
%K A226814 nonn
%O A226814 1,1
%A A226814 _T. D. Noe_, Jun 19 2013