A053905 Squares composed of digits {1,5,8}.

1, 81, 11881, 88118818815155881, 18851515118581858155155881, 11555185818155188818511188881585888881, 5818888111118115811551585855811558551185881

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. A053904.

Sequence in context: A058422 A053913 A053895 * A184690 A143005 A187432

Adjacent sequences: A053902 A053903 A053904 * A053906 A053907 A053908

Keyword

nonn,base,changed

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