49020

Appears in sequences

• Numbers k such that k and k^2 use only the digits 0, 2, 4, 6 and 9.at n=23A136905
• G.f.: Product_{k>=1} 1/(1-(4*x)^k)^(k/2).at n=6A232977
• Expansion of Product_{k>=1} 1/(1-x^k)^(10*k).at n=6A316462