OFFSET
1,1
FORMULA
a(n) = (A109408(n))^(1/3).
MATHEMATICA
A076204=Select[Range[500], PrimeQ[Plus@@IntegerDigits[ #^3]]&]
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Zak Seidov, Nov 02 2002
EXTENSIONS
Edited by N. J. A. Sloane at the suggestion of Andrew S. Plewe, May 21 2007
STATUS
approved