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A083837 Smallest palindrome n such that kn + 1 is a palindrome, or 0 if no such number exists. +0
2
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 (list; graph; listen)
OFFSET

1,9

COMMENT

0 in sequence indicates no palindrome < 10^15 - Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 13 2003

EXAMPLE

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

CROSSREFS

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

Sequence in context: A113387 A090435 A136237 this_sequence A049213 A165886 A056218

Adjacent sequences: A083834 A083835 A083836 this_sequence A083838 A083839 A083840

KEYWORD

base,nonn

AUTHOR

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

EXTENSIONS

Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), May 22 2003

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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