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A053916
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Numbers k such that k^2 contains only digits {2,3,4}.
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1
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..10.
Author?, Source(txt)
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Hisanori Mishima, Sporadic tridigital solutions [From Max Alekseyev, Feb 06 2010]
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CROSSREFS
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Cf. A053917.
Sequence in context: A208055 A306655 A156907 * A355131 A355134 A277037
Adjacent sequences: A053913 A053914 A053915 * A053917 A053918 A053919
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KEYWORD
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nonn,base,more
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AUTHOR
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Patrick De Geest, Mar 15 2000
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EXTENSIONS
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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
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STATUS
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approved
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