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 A107462 #11 Sep 24 2020 04:10:21
%S A107462 1,4,13,16,52,64,169,208,256,676,832,1024,2197,2704,3328,4096,8788,
%T A107462 10816,13312,16384,28561,35152,43264,53248,65536,114244,140608,173056,
%U A107462 212992,262144,371293,456976,562432,692224,851968,1048576,1485172
%N A107462 Numbers of the form (4^i)*(13^j), with i, j >= 0.
%H A107462 Amiram Eldar, <a href="/A107462/b107462.txt">Table of n, a(n) for n = 1..10000</a>
%F A107462 Sum_{n>=1} 1/a(n) = (4*13)/((4-1)*(13-1)) = 13/9. - _Amiram Eldar_, Sep 24 2020
%F A107462 a(n) ~ exp(sqrt(2*log(4)*log(13)*n)) / sqrt(52). - _Vaclav Kotesovec_, Sep 24 2020
%t A107462 n = 10^6; Flatten[Table[4^i*13^j, {i, 0, Log[4, n]}, {j, 0, Log[13, n/4^i]}]] // Sort (* _Amiram Eldar_, Sep 24 2020 *)
%Y A107462 Subsequence of A107326.
%Y A107462 Cf. A025617, A025618, A025619, A025620, A025621, A107364, A107466, A108056, A108090.
%K A107462 nonn,easy
%O A107462 1,2
%A A107462 Douglas Winston (douglas.winston(AT)srupc.com), Jun 09 2005