A058450 Squares composed of digits {0,6,7}, not ending with zero.
676, 67667076, 670066667776, 66007077776676, 676670006660660066767076066770670707776
Offset: 1
Links
- Patrick De Geest, Index to related sequences
- Hisanori Mishima, Sporadic tridigital solutions
Crossrefs
Cf. A058449.
Extensions
One more term from Mishima's webpage added by Max Alekseyev, Jul 27 2009