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A053916
Numbers k such that k^2 contains only digits {2,3,4}.
1
2, 18, 482, 5868, 20838, 208188, 492162, 6582038, 2054834162, 205483392086668
OFFSET
1,1
CROSSREFS
Cf. A053917.
Sequence in context: A208055 A306655 A156907 * A355131 A355134 A277037
KEYWORD
nonn,base,more
AUTHOR
Patrick De Geest, Mar 15 2000
EXTENSIONS
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005
One more term from Mishima's page added by Max Alekseyev, Feb 06 2010
STATUS
approved