497262

Appears in sequences

• Numbers k such that k and k^2 use only the digits 2, 4, 6, 7 and 9.at n=26A137102
• Number of length-n 0..7 arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order.at n=10A268955
• Number of length-(n+4) 0..n arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order.at n=6A268958