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 A226829 #5 Jun 19 2013 13:33:13 %S A226829 2,6,10,14,26,34,82,86,106,126,134,206,626,634,706,730,734,754,854, %T A226829 1354,3126,3134,3206,3854,6562,6566,6586,6686,7186,9686,15626,15634, %U A226829 15706,16354,22186,59050,59054,59074,59174,59674,62174,74674,78126,78134,78206 %N A226829 Numbers of the form 5^j + 9^k, for j and k >= 0. %H A226829 T. D. Noe, <a href="/A226829/b226829.txt">Table of n, a(n) for n = 1..10000</a> %t A226829 a = 5; b = 9; mx = 80000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]] %Y A226829 Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k). %Y A226829 Cf. A226794 ((5^j + 9^k)/2). %K A226829 nonn %O A226829 1,1 %A A226829 _T. D. Noe_, Jun 19 2013