A053904 Numbers k such that k^2 contains only digits {1,5,8}.

1, 9, 109, 296848141, 4341833151859, 3399291958357679641, 2412237158970509643109

Offset

1,2

Links

Table of n, a(n) for n=1..7.

P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences

H. Mishima Squares consisted of 3 different digits [From Max Alekseyev, May 21 2009]

Crossrefs

Cf. A053905.

Sequence in context: A105974 A053912 A053894 * A058607 A379859 A298835

Adjacent sequences: A053901 A053902 A053903 * A053905 A053906 A053907

Keyword

nonn,base,more

Author

Patrick De Geest, Mar 15 2000

Extensions

One more term from Jon E. Schoenfield, Sep 03 2006

Two more terms from Mishima's webpage added by Max Alekseyev, May 21 2009

Status

approved