256266

Appears in sequences

• Numbers k such that k and k^2 use only the digits 2, 3, 5, 6 and 7.at n=37A137080
• Numbers k such that k and k^2 use only the digits 2, 4, 5, 6 and 7.at n=58A137094
• Numbers k such that k and k^2 use only the digits 2, 5, 6 and 7.at n=12A137110
• Numbers k such that k and k^2 use only the digits 2, 5, 6, 7 and 8.at n=43A137111
• Numbers k such that k and k^2 use only the digits 2, 5, 6, 7 and 9.at n=32A137112