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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, 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
1,9
COMMENTS
0 in sequence indicates no palindrome < 10^15 - Ray Chandler, Jul 13 2003
EXAMPLE
a(3) = 1: 3*1 + 1 = 4; a(11) = 55, 55*11+1=606.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 09 2003
EXTENSIONS
Corrected and extended by Ray Chandler, May 22 2003
STATUS
approved