

A053934


Numbers k such that k^2 contains only digits {2,8,9}.


1




OFFSET

1,1


LINKS



MATHEMATICA

Table[Select[Sqrt[FromDigits/@Tuples[{2, 8, 9}, n]], IntegerQ], {n, 15}]//Flatten (* The program generates the first six terms of the sequence. To generate more, increase the "n" constant but the program will take a long time to run. *) (* Harvey P. Dale, Nov 19 2023 *)


CROSSREFS



KEYWORD

nonn,base,more


AUTHOR



EXTENSIONS

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 14 2005


STATUS

approved



