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A112727
a(n) is the least integer m greater than one such that m^n is a palindrome.
0
2, 2, 2, 2, 11
OFFSET
0,1
COMMENTS
There is no further term up to 10^8.
EXAMPLE
a(4)=11 because 11^4=14641 and for 1<i<11, i^4 is not a palindrome.
MATHEMATICA
a[n_]:=(For[m=2, !FromDigits[Reverse[IntegerDigits[m^n]]] ==m^n, m++ ]; m); Table[a[n], {n, 0, 4}]
CROSSREFS
Sequence in context: A165466 A175392 A289910 * A164918 A147822 A316497
KEYWORD
base,nonn
AUTHOR
Farideh Firoozbakht, Nov 13 2005
STATUS
approved