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A083456 Smallest nontrivial k such that k^n + 1 is a palindrome (k>1 for n>1). 2
1, 2, 2, 5, 2, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
The sequence is infinite as 10 always qualifies to be a member. a(n) <= 10. Are there members not equal to 10 for n > 5?
LINKS
EXAMPLE
a(5) = 2 as 2^5 + 1 = 33 is a palindrome.
CROSSREFS
Sequence in context: A266662 A289078 A051612 * A211932 A213642 A344753
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 01 2003
EXTENSIONS
More terms from David Wasserman, Nov 11 2004
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)