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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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]

CROSSREFS

Cf. A053917.

Sequence in context: A208055 A306655 A156907 * A355131 A355134 A277037

Adjacent sequences:  A053913 A053914 A053915 * A053917 A053918 A053919

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

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Last modified June 28 10:20 EDT 2022. Contains 354903 sequences. (Running on oeis4.)