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 A101755 #12 Feb 03 2013 02:54:44 %S A101755 1,2,3,7,8,15,24,32,35,63,80,104,224,384,560,935,1224,1664,1728,2015, %T A101755 2079,5984,12375,14399,21735,41040,78624,98175,123200,126224,165375, %U A101755 201824,313599,395199,453375,1056159,1154439,1324224,1890944,2203200,2756159,6969599 %N A101755 Indices of highly composite triangular numbers. %H A101755 Charles R Greathouse IV and Donovan Johnson, <a href="/A101755/b101755.txt">Table of n, a(n) for n = 1..70</a> (first 55 terms from _Charles R Greathouse IV_). %F A101755 A000217(a(n)) = A076711(n). %o A101755 (PARI) r=0;for(n=1,1e7,t=if(n%2,numdiv(n)*numdiv((n+1)/2),numdiv(n/2)*numdiv(n+1));if(t>r,r=t;print1(n", "))) \\ _Charles R Greathouse IV_, Feb 01 2013 %Y A101755 Cf. A076711, A101756. %K A101755 nonn %O A101755 1,2 %A A101755 _Ray Chandler_, Dec 22 2004