# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a124058 Showing 1-1 of 1 %I A124058 #20 Mar 05 2023 13:23:50 %S A124058 2,3,4,6,8,23,24,1804,1968,8375,53750,243864,639324,41381620, %T A124058 102621343,7802708736,7802708736,178874468615,1133934949368 %N A124058 Smallest of the first occurrence of n consecutive integers with all different prime signatures. %C A124058 Essentially the same as A083790. - _T. D. Noe_, Nov 10 2006 %C A124058 a(18) > 10^11. - _Donovan Johnson_, Oct 24 2009 %C A124058 a(20) > 10^13. - _Giovanni Resta_, Jul 13 2015 %H A124058 Eric Weisstein's World of Mathematics, Prime Signature. %e A124058 a(6) = 23 because it begins the first occurrence of 6 consecutive integers that have all different prime signatures ({1}, {1,3}, {2}, {1,1}, {3}, {1,2} respectively for 23 through 28). %Y A124058 Cf. A034173, A025487, A083790, A083788. %K A124058 nonn,more %O A124058 1,1 %A A124058 Joe McCauley (mccauleyj(AT)insightbb.com), Nov 03 2006 %E A124058 a(12)-a(15) added from A083790, Nov 10 2006 %E A124058 a(16)-a(17) from _Donovan Johnson_, Oct 24 2009 %E A124058 a(18)-a(19) from _Giovanni Resta_, Jul 13 2015 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE