A053940 Numbers k such that k^2 contains only digits {3,4,8}.

2, 22, 62, 939938, 290427872, 620035792022, 291278798292022, 665949276513522, 6952948212333013522, 5906300402396058566810062

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

Crossrefs

Cf. A053941.

Sequence in context: A271883 A152995 A273366 * A156480 A348488 A226406

Adjacent sequences: A053937 A053938 A053939 * A053941 A053942 A053943

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