76666

Appears in sequences

• Near-repdigit semiprimes with 6 as repeated digit.at n=27A105987
• Numbers k such that k and k^2 use only the digits 0, 5, 6, 7 and 8.at n=11A136963
• Numbers k such that k and k^2 use only the digits 1, 5, 6, 7 and 8.at n=9A137060
• Numbers k such that k and k^2 use only the digits 2, 5, 6, 7 and 8.at n=38A137111
• Numbers k such that k and k^2 use only the digits 3, 5, 6, 7 and 8.at n=10A137132
• Numbers k such that k and k^2 use only the digits 4, 5, 6, 7 and 8.at n=22A137140
• Numbers k such that k and k^2 use only the digits 5, 6, 7 and 8.at n=3A137146
• Numbers k such that k and k^2 use only the digits 5, 6, 7, 8 and 9.at n=8A137147
• Number of inversion sequences of length n avoiding the consecutive patterns 012, 101, 102, and 201.at n=10A328429