OFFSET
1,1
FORMULA
Equals sequence A242183 with duplicates removed.
PROG
(PARI) is(z)=for(y=1, sqrtnint(z^4, 3), issquare(z^4-y^3, &x)&&x&&return(1))
CROSSREFS
KEYWORD
nonn
AUTHOR
M. F. Hasler, Apr 16 2018
STATUS
approved