|
%I #5 Oct 19 2017 03:14:36
%S 1,1,1,3,1,7,1,9,2,3,3,7,4,3,4,7,4,9,5,9,7,7,7,9,8,3,10,3,16,9,18,1,
%T 22,1,22,7,23,3,28,7,39,7,49,9,83,3,130,7,135,7,214,7,220,3,316,1,610,
%U 7,683,9,719,9,766,7,1030,1,1313,3,1451,9,1678,9,2152,7,2575,7
%N The number defined by the decimal string "a(2n) 1's followed by a(2n+1)" is prime.
%e The numbers 11, 13, 17, 19, 113, 1117, 11113, 11117, 11119, 111119, ... are primes.
%K base,nonn
%O 0,4
%A _Pierre CAMI_, Nov 10 2004
%E Edited by _Don Reble_, Nov 07 2005
|
