298233

Appears in sequences

• Numbers k such that k and k^2 use only the digits 2, 3, 4, 8 and 9.at n=27A137077
• a(n) = a(n-1) + a(n-2) + a(n-3), with a(0) = 3, a(1) = 2, a(2) = 5.at n=20A274761