# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a095217 Showing 1-1 of 1 %I A095217 #3 Dec 05 2013 19:56:52 %S A095217 2,7,795302832777615 %N A095217 Greatest prime divisor of n-th partial concatenation is prime(n). %e A095217 Greatest prime divisor of 27795302832777615 which is a concatenation of first four terms 2,7,795302832777615 is prime(3) = 5, 27795302832777615= 3^33*5. %Y A095217 Cf. A095216. %K A095217 base,more,nonn,bref %O A095217 1,1 %A A095217 _Amarnath Murthy_, Jun 10 2004 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE