%I A122260
%S A122260 1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17,18,19,20,21,24,25,26,27,28,30,
%T A122260 32,34,35,36,37,38,39,40,42,45,48,49,50,51,52,54,56,57,60,63,64,65,68,
%U A122260 70,72,73,74,75,76,78,80,81,84,85,90,91,95,96,97,98,100,102,104,105,108
%N A122260 Multiplicative closure of Pierpont primes.
%C A122260 If u and v are terms then also u*v is a term; A005109 is the generating 
               subsequence;
%C A122260 A122261(a(n)) = 1;
%C A122260 A122254 is a subsequence: a(n) = A122254(n) for n < 25;
%C A122260 a(n) = A048737(n) for n < 22.
%H A122260 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PierpontPrime.html">Pierpont Prime</a>
%Y A122260 Sequence in context: A031995 A023752 A048737 this_sequence A122254 A102823 
               A004775
%Y A122260 Adjacent sequences: A122257 A122258 A122259 this_sequence A122261 A122262 
               A122263
%K A122260 nonn
%O A122260 1,2
%A A122260 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 29 2006