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A025627 Numbers of form 6^i*8^j, with i, j >= 0. 8

%I #11 Sep 26 2020 03:51:42

%S 1,6,8,36,48,64,216,288,384,512,1296,1728,2304,3072,4096,7776,10368,

%T 13824,18432,24576,32768,46656,62208,82944,110592,147456,196608,

%U 262144,279936,373248,497664,663552,884736,1179648,1572864,1679616,2097152

%N Numbers of form 6^i*8^j, with i, j >= 0.

%H Amiram Eldar, <a href="/A025627/b025627.txt">Table of n, a(n) for n = 1..10000</a>

%F Sum_{n>=1} 1/a(n) = (6*8)/((6-1)*(8-1)) = 48/35. - _Amiram Eldar_, Sep 26 2020

%F a(n) ~ exp(sqrt(2*log(6)*log(8)*n)) / sqrt(48). - _Vaclav Kotesovec_, Sep 26 2020

%t n = 10^6; Flatten[Table[6^i*8^j, {i, 0, Log[6, n]}, {j, 0, Log[8, n/6^i]}]] // Sort (* _Amiram Eldar_, Sep 26 2020 *)

%Y Subsequence of A025610.

%K easy,nonn

%O 1,2

%A _David W. Wilson_

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Last modified July 16 23:11 EDT 2024. Contains 374360 sequences. (Running on oeis4.)