OFFSET
1,2
COMMENTS
a(n) = the largest n-digit number of the form p^4 (p = prime), a(n) = 0 if no such number exists.
FORMULA
A000005(a(n)) = 5.
MAPLE
MATHEMATICA
Table[Prime[PrimePi[10^(n/4)]]^4, {n, 2, 50}]
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Jaroslav Krizek, Nov 27 2010
EXTENSIONS
Mathematica program by Zak Seidov, Nov 27 2010
STATUS
approved