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 A161144 #7 Dec 04 2017 19:02:24 %S A161144 1,6,36,66,216,396,666,1296,2376,3996,4356,6666,7776,14256,23976, %T A161144 26136,39996,43956,46656,66666,85536,143856,156816,239976,263736, %U A161144 279936,287496,399996,439956,443556,513216,666666,863136,940896,1439856,1582416,1679616 %N A161144 Numbers which can be expressed as the product of numbers made of only sixs. %e A161144 216 = 6 * 6 * 6; 396 = 6 * 66; 3996 = 6 * 666. %Y A161144 Cf. A084034, A161140, A161141, A161142, A161143, A161145, A161146, A161147. %K A161144 nonn,base %O A161144 1,2 %A A161144 _Claudio Meller_, Jun 03 2009 %E A161144 More terms from _Claudio Meller_, Jun 06 2009