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%I #8 Sep 25 2020 05:51:37
%S 1,6,13,36,78,169,216,468,1014,1296,2197,2808,6084,7776,13182,16848,
%T 28561,36504,46656,79092,101088,171366,219024,279936,371293,474552,
%U 606528,1028196,1314144,1679616,2227758,2847312,3639168,4826809,6169176
%N Numbers of the form (6^i)*(13^j), with i, j >= 0.
%H Amiram Eldar, <a href="/A107710/b107710.txt">Table of n, a(n) for n = 1..10000</a>
%F Sum_{n>=1} 1/a(n) = (6*13)/((6-1)*(13-1)) = 13/10. - _Amiram Eldar_, Sep 25 2020
%F a(n) ~ exp(sqrt(2*log(6)*log(13)*n)) / sqrt(78). - _Vaclav Kotesovec_, Sep 25 2020
%t n = 10^6; Flatten[Table[6^i*13^j, {i, 0, Log[6, n]}, {j, 0, Log[13, n/6^i]}]] // Sort (* _Amiram Eldar_, Sep 25 2020 *)
%Y Cf. A025626, A025627, A025628, A025629, A064476, A107326, A107364, A107462, A107466, A108056, A108090.
%K nonn,easy
%O 1,2
%A Douglas Winston (douglas.winston(AT)srupc.com), Jun 10 2005
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