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 A032786 #18 Jul 13 2018 21:04:25 %S A032786 0,3,5,6,9,10,12,15,17,20,24,25,30,31,33,38,42,45,51,53,55,60,64,66, %T A032786 75,77,80,87,90,105,108,114,115,129,130,141,150,155,168,174,180,185, %U A032786 195,207,213,220,240,246,255,262,276,285,295,305,311,330,339,350,357 %N A032786 Numbers k such that k(k+1)(k+2)...(k+15) / (k+(k+1)+(k+2)+...+(k+15)) is an integer. %C A032786 (d-15)/2 where d >= 15 divides 4108830350625. In particular, the sequence is finite. - _Robert Israel_, Jul 13 2018 %H A032786 Robert Israel, <a href="/A032786/b032786.txt">Table of n, a(n) for n = 1..1208</a> %p A032786 sort([seq((t-15)/2, t=select(`>=`,numtheory:-divisors(4108830350625),15))]); # _Robert Israel_, Jul 13 2018 %t A032786 Select[Range[0,500],IntegerQ[Times@@Range[#,#+15]/Total[Range[ #,#+15]]]&] (* _Harvey P. Dale_, Sep 02 2016 *) %Y A032786 Cf. A032765-A032798. %K A032786 nonn,fini,full %O A032786 1,2 %A A032786 _Patrick De Geest_, May 15 1998 %E A032786 Definition corrected by _Harvey P. Dale_, Sep 02 2016 %E A032786 Offset changed by _Robert Israel_, Jul 13 2018