

A112727


a(n) is the least integer m greater than one such that m^n is a palindrome.


0




OFFSET

0,1


COMMENTS

There is no further term up to 10^8.


LINKS

Table of n, a(n) for n=0..4.


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: A217503 A165466 A175392 * A164918 A147822 A084961
Adjacent sequences: A112724 A112725 A112726 * A112728 A112729 A112730


KEYWORD

base,nonn


AUTHOR

Farideh Firoozbakht, Nov 13 2005


STATUS

approved



