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A053940 Numbers k such that k^2 contains only digits {3,4,8}. 1
2, 22, 62, 939938, 290427872, 620035792022, 291278798292022, 665949276513522, 6952948212333013522, 5906300402396058566810062 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Author?, Source(txt)
Hisanori Mishima, Sporadic tridigital solutions [From Max Alekseyev, Sep 19 2009]
CROSSREFS
Cf. A053941.
Sequence in context: A271883 A152995 A273366 * A156480 A348488 A226406
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
Four more terms from Mishima's page added by Max Alekseyev, Sep 19 2009
STATUS
approved

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Last modified March 29 01:36 EDT 2024. Contains 371264 sequences. (Running on oeis4.)