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 A182477 #6 May 01 2012 19:48:40 %S A182477 107,167,197,233,257,347,359,401,431,457,467,557,563,617,647,653,743, %T A182477 761,797,863,887,937,971,1087,1097,1187,1223,1237,1283,1297,1409,1481, %U A182477 1493,1549,1553,1583,1597,1601,1607,1637,1697,1871,1889,1907,1949,2003,2017 %N A182477 Primes of the form p*q*r + 2, where p, q and r are distinct primes. %F A182477 {A007304(n)+2} INTERSECTION {A000040}. %e A182477 107 = 3*5*7+2. %t A182477 mx = 50; ps = Prime[Range[2, mx + 1]]; t = Table[ps[[i]]*ps[[j]]*ps[[k]] + 2, {i, mx}, {j, i + 1, mx}, {k, j + 1, mx}]; Select[Union[Flatten[t]], # <= 3*5*ps[[-1]] + 2 && PrimeQ[#] &] (* _T. D. Noe_, May 01 2012 *) %Y A182477 Cf. A115267. %K A182477 nonn %O A182477 1,1 %A A182477 _Alex Ratushnyak_, May 01 2012