A053908 Numbers k such that k^2 contains only digits {1,6,8}.

1, 4, 9, 41, 109, 1291, 28604, 78541, 81619, 782104, 1054119, 3341881, 4345881, 25823791, 29439546, 129105041, 817851954, 931064546, 2486185454, 2609955204, 24862847104, 786680914454

Offset: 1

Author

Patrick De Geest, Mar 15 2000

Keywords

• nonn
• base

Links

• Zhao Hui Du, Table of n, a(n) for n = 1..27
• Patrick De Geest, Squares containing at most three distinct digits, Index entries for related sequences

Crossrefs

Cf. A053909.

Extensions

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005