A058447 Numbers k such that k^2 contains only digits {0,5,9}, not ending with zero.

3, 70778174997, 771395165003

Offset

1,1

Links

Table of n, a(n) for n=1..3.

P. De Geest, Index to related sequences

Hisanori Mishima, Sporadic tridigital solutions

Crossrefs

Cf. A058448.

Sequence in context: A235357 A260002 A368723 * A275939 A230810 A266199

Adjacent sequences: A058444 A058445 A058446 * A058448 A058449 A058450

Keyword

nonn,base,hard,more,bref

Author

Patrick De Geest, Nov 15 2000

Status

approved