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 A062171 #8 Dec 15 2017 17:35:07 %S A062171 8,16,24,27,32,36,40,48,54,56,60,64,72,80,81,84,88,90,96,100,104,108, %T A062171 112,120,125,126,128,132,135,136,140,144,150,152,156,160,162,168,176, %U A062171 180,184,189,192,196,198,200,204,208,216,220,224,225,228,232,234,240 %N A062171 Number of non-unitary divisors of n (A048105) > number of distinct prime divisors of n (A001221). %H A062171 Charles R Greathouse IV, <a href="/A062171/b062171.txt">Table of n, a(n) for n = 1..10000</a> %o A062171 (PARI) nud(n) = numdiv(n)-2^omega(n); j=[]; for(n=1,500, if(nud(n)>omega(n),j=concat(j,n))); j %o A062171 (PARI) is(n)=my(f=factor(n)[,2]); prod(i=1,#f,f[i]+1)>2^#f+#f \\ _Charles R Greathouse IV_, Sep 18 2015 %Y A062171 Cf. A048105, A001221, A048108. %K A062171 easy,nonn %O A062171 1,1 %A A062171 _Jason Earls_, Aug 28 2001 %E A062171 Offset corrected by _Charles R Greathouse IV_, Sep 18 2015