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 A225422 #5 May 16 2013 11:25:23
%S A225422 2,2,6,12,12,24,60,180,360,1260,5040,15120,55440,166320,831600,
%T A225422 4324320,36756720,367567200,2327925600,27935107200
%N A225422 Largest number k such that k < d(k)^(n/10), where d(k) is the number of divisors of k.
%C A225422 Each of these numbers is the product of small primes. For example, a(30) = 2^7 2^3 5^2 7 11 13 17 19. - _T. D. Noe_, May 16 2013
%t A225422 Table[last = 0; Do[If[n < DivisorSigma[0,n]^(i/10), last = n], {n, 10^4}]; last, {i, 11, 20}]
%Y A225422 Cf. A034884 (n < d(n)^2), A056757 (n < d(n)^3), A225729-A225738.
%K A225422 nonn
%O A225422 11,1
%A A225422 _T. D. Noe_, May 15 2013