OFFSET
0,3
COMMENTS
a(2)=2, because 2^8=256 is the first 8th power with the most significant decimal digit equal to 2;
a(16)=6, because 6^8=1679616 is the first 8th power with two most significant decimal digits equal to 16.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
FORMULA
a(n^8) = n for n >= 0. - Seiichi Manyama, Jan 30 2017
CROSSREFS
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
Added initial 0. - Seiichi Manyama, Jan 30 2017
STATUS
approved