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 A165153 #15 Aug 10 2015 00:23:37 %S A165153 1,2,3,8,10,36,21,64,72,100,330,1728,2340,3528,315,1024,1088,1296, %T A165153 4104,8000,2100,43560,53130,331776,388800,608400,694980,4741632, %U A165153 6650280,1587600,9765,32768,33792,36992,114240,46656,239760,935712,1120392 %N A165153 a(n) = the product of all distinct positive (nonzero) integers that, when written in binary, occur as substrings in the binary representation of n. %H A165153 Reinhard Zumkeller, <a href="/A165153/b165153.txt">Table of n, a(n) for n = 1..10000</a> %F A165153 a(n) = product(A165416(n,k): k=1..A078822(n)-1). - _Reinhard Zumkeller_, Aug 14 2013 %o A165153 (Haskell) %o A165153 a165153 = product . a165416_row -- _Reinhard Zumkeller_, Aug 14 2013 %Y A165153 Cf. A119709, A078823. %Y A165153 Cf. A165416. %K A165153 base,nonn %O A165153 1,2 %A A165153 _Leroy Quet_, Sep 05 2009 %E A165153 More terms from _Sean A. Irvine_, Nov 12 2009