OFFSET
1,1
COMMENTS
a(29), if it exists, exceeds 2*10^9. - Sean A. Irvine, Mar 04 2020
a(29), if it exists, exceeds 10^14. - Michael S. Branicky, Dec 19 2022
PROG
(PARI) isok(k) = #setintersect(Set(digits(k^2)), Set(digits(k^3))) == 0; \\ Michel Marcus, Dec 21 2022
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
STATUS
approved