# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a087352 Showing 1-1 of 1 %I A087352 #4 Dec 05 2013 19:56:21 %S A087352 1,9,49,81,441,729,15129,33489,35721,127449,184041,288369,505521, %T A087352 594441,1046529,4004001,4941729,8415801,14130081,19474569,20820969, %U A087352 21427641,25070049,31236921,33419961,37197801,57471561,58201641,58844241 %N A087352 a(n+1) is the smallest square > a(n) such that every concatenation (n > 1) is a prime. %e A087352 19, 1949, 194981, 194981441 are all primes. %Y A087352 Cf. A087353. %K A087352 base,nonn %O A087352 1,2 %A A087352 _Amarnath Murthy_, Sep 08 2003 %E A087352 More terms from _David Wasserman_, May 10 2005 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE