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 A099184 #5 Oct 01 2013 17:58:04 %S A099184 13,17,19,29,31,37,41,43,53,61,67,71,73,79,89,97,101,103,109,113,127, %T A099184 131,137,139,149,151,157,163,173,181,191,193,197,199,211,223,229,233, %U A099184 239,241,251,257,269,271,277,281,283,293,307,311,313,317,331,337,349 %N A099184 Heavy primes: primes p such that p-1 has more than 2 divisors with multiplicity. %C A099184 Also called "unsafe" primes, although this terms usually includes 2 and 3. %H A099184 Harvey P. Dale, <a href="/A099184/b099184.txt">Table of n, a(n) for n = 2..1000</a> %t A099184 Select[Prime[Range[70]],PrimeOmega[#-1]>2&] (* _Harvey P. Dale_, May 28 2012 *) %o A099184 (PARI) f(n) = forprime(x=2,n,y=bigomega(x-1);if(y>2,print1(x","))) %Y A099184 Cf. A059456. %K A099184 nonn %O A099184 2,1 %A A099184 _Cino Hilliard_, Nov 15 2004