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 A276161 #12 Aug 06 2017 22:05:26 %S A276161 840,5040,11880,175560,570024,5997600,34234200,70073640,569729160, %T A276161 1262451960,6643717080,6927399360,59312218680,657557188200, %U A276161 1288881113520,7994422608480,9803968814640,73148660184600,130903460103024,250036769127600,1081389616791120 %N A276161 Numbers that are the product of 4 consecutive positive numbers and the product of 2 nontrivial oblong numbers. %H A276161 Jon E. Schoenfield, <a href="/A276161/b276161.txt">Table of n, a(n) for n = 1..34</a> %e A276161 175560 = 19*20*21*22 = 5*6*76*77 = 30*5852. %Y A276161 Cf. A002378, A052762. %K A276161 nonn %O A276161 1,1 %A A276161 _Gionata Neri_ and Cristina Gregorini, Aug 22 2016 %E A276161 a(15)-a(21) from _Jon E. Schoenfield_, Nov 12 2016