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Smallest palindrome n such that kn + 1 is a palindrome, or 0 if no such number exists.
1

%I #7 Aug 25 2014 12:11:22

%S 1,1,1,1,1,1,1,1,6,1,55,0,5,7,8,2,0,3,4,5,1,5,0,5,4,5,2,5,3,4,0,1,7,5,

%T 4,5,0,2,8,3,0,0,1,8,4,7,9,0,2,2,0,6,0,1,2,7,6,161,7,2,0,6,8,0,1,9,3,

%U 8,7,2,0,7,8,0,2,1,3,4,0,2,0,7,4,6,2,0,1,4,6,2,0,8,4,6,2,0,3,1,6,1,0,9,0,3

%N Smallest palindrome n such that kn + 1 is a palindrome, or 0 if no such number exists.

%C 0 in sequence indicates no palindrome < 10^15 - _Ray Chandler_, Jul 13 2003

%e a(3) = 1: 3*1 + 1 = 4; a(11) = 55, 55*11+1=606.

%Y Cf. A083829, A083830, A083832, A083834, A083835, A083838.

%K base,nonn

%O 1,9

%A _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 09 2003

%E Corrected and extended by _Ray Chandler_, May 22 2003