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 A119956 #8 Sep 15 2016 07:47:19 %S A119956 9,10,12,13,21,25,30,34,36,40,46,52,66,76,81,90,96,118,126,130,132, %T A119956 142,144,154,165,172,177,180,193,196,198,204,216,226,228,238,240,246, %U A119956 250,256,262,268,273,282,294,312,333,336,345,346,366,370,372,378,393,400 %N A119956 Numbers n such that n^3+1=p*q*r where p,q,r are distinct primes. %C A119956 A115403 is a supersequence not requiring that p,q,r are distinct. %H A119956 Vincenzo Librandi, <a href="/A119956/b119956.txt">Table of n, a(n) for n = 1..1000</a> %e A119956 9^3+1=2*5*73 a product of 3 distinct primes, so 9 is in the sequence. %t A119956 Select[Range[400], Last/@FactorInteger[#^3 + 1] == {1, 1, 1}&] (* _Vincenzo Librandi_, Sep 15 2016 *) %Y A119956 Cf. A115403. %K A119956 nonn %O A119956 1,1 %A A119956 _James R. Buddenhagen_, Aug 02 2006