A083837 Smallest palindrome n such that kn + 1 is a palindrome, or 0 if no such number exists.

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, 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, 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

Offset: 1

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 09 2003

Keywords

• base
• nonn

Comments

0 in sequence indicates no palindrome < 10^15 - Ray Chandler, Jul 13 2003

Examples

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

Crossrefs

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

Extensions

Corrected and extended by Ray Chandler, May 22 2003