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 A212582 #11 Feb 12 2013 18:10:43
%S A212582 8,12,18,20,27,28,30,42,44,45,50,52,63,66,68,70,75,76,78,92,98,99,102,
%T A212582 105,110,114,116,117,124,125,130,138,147,153,154,164,165,170,171,174,
%U A212582 175,182,186,188,190,195,207,230,231,236,238,242,245,246,255,261
%N A212582 Products of exactly three supersingular primes (A002267).
%C A212582 The smallest "triprime" or "3-almost prime" not in this sequence is 148 = 2 * 2 * 37, as 37 is smallest prime which is not a supersingular prime.
%H A212582 T. D. Noe, <a href="/A212582/b212582.txt">Table of n, a(n) for n = 1..680</a> (complete sequence)
%F A212582 i * j * k such that i, j, k are each in A002267, not necessarily distinct.
%t A212582 Union[Times @@@ Tuples[{2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 41, 47, 59, 71}, 3]] (* _T. D. Noe_, May 21 2012 *)
%Y A212582 Cf. A002267, A014612, A108764 (products of exactly two supersingular primes), A212554 (products of supersingular primes).
%K A212582 nonn,easy,fini,full
%O A212582 1,1
%A A212582 _Jonathan Vos Post_, May 21 2012