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 A101756 #10 Feb 03 2013 02:55:13 %S A101756 1,2,4,6,9,16,18,20,24,36,40,48,90,112,128,144,162,168,192,240,320, %T A101756 480,576,648,768,1024,1280,1344,1512,1536,1728,1920,2304,2880,3072, %U A101756 3200,3456,3888,4480,5760,6144,6912,7680,8640,9216,13824,16128,23040,25088 %N A101756 Number of divisors of highly composite triangular numbers. %H A101756 Charles R Greathouse IV and Donovan Johnson, <a href="/A101756/b101756.txt">Table of n, a(n) for n = 1..70</a> (first 55 terms from _Charles R Greathouse IV_). %F A101756 a(n) = A000005(A076711(n)) = A000005(A000217(A101755(n))). %o A101756 (PARI) t1=1;r=0;for(n=1,2e9,t2=n+1;t2=numdiv(t2/if(n%2,2,1));if(t1*t2>r,r=t1*t2;print1(r", "));t1=t2) \\ _Charles R Greathouse IV_, Feb 01 2013 %Y A101756 Cf. A076711, A101755. %K A101756 nonn %O A101756 1,2 %A A101756 _Ray Chandler_, Dec 22 2004