A058453 Numbers k such that k^2 contains only digits {0,7,9}, not ending with zero.

3, 8819172285373497

Offset

1,1

Links

Table of n, a(n) for n=1..2.

P. De Geest, Index to related sequences

Hisanori Mishima, Sporadic tridigital solutions

Crossrefs

Cf. A058454.

Sequence in context: A230810 A266199 A216148 * A058471 A068740 A058473

Adjacent sequences: A058450 A058451 A058452 * A058454 A058455 A058456

Keyword

nonn,base,hard,more,bref

Author

Patrick De Geest, Nov 15 2000

Status

approved