A058445 Numbers k such that k^2 contains only digits {0,5,6}, not ending with zero.

2236081408416666

Offset

1,1

Comments

No more terms to 2 * 10^19. - Charles R Greathouse IV, Aug 20 2011

Links

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

P. De Geest, Index to related sequences

Tanya Khovanova, Non Recursions

Hisanori Mishima, Sporadic tridigital solutions

Index entries for one-term sequences

Crossrefs

Cf. A058446.

Sequence in context: A309111 A047698 A246252 * A290540 A132910 A172550

Adjacent sequences: A058442 A058443 A058444 * A058446 A058447 A058448

Keyword

nonn,base,hard,more,bref

Author

Patrick De Geest, Nov 15 2000

Status

approved