

A337245


a(n) is the least perfect power whose digits can be rearranged in n different ways (including itself) to form perfect powers.


1



4, 125, 169, 1296, 16384, 10609, 1046529, 1006009, 10278436, 12348196, 12659364, 14243076, 100240144, 113294736, 102535876, 105452361, 102353689, 104346225, 108305649, 100460529, 1021953024, 102576384, 1012639684, 1001532609, 1034072649, 1006348729, 1108357264, 1039288644
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


COMMENTS

Do all terms except 4 start with 1?


LINKS



EXAMPLE

a(3) = 169 = 13^2 as 169 is a perfect power and its digits can be permuted in three ways: 169 = 13^2, 196 = 14^2, and 961 = 31^2.


CROSSREFS



KEYWORD

nonn,base


AUTHOR



STATUS

approved



