57530

Appears in sequences

• Numbers k such that k and k^2 use only the digits 0, 3, 5, 7 and 9.at n=8A136940
• G.f.: Product_{k>=1} (1+x^(k^2)) / (1-x^k).at n=36A280204
• Expansion of Product_{k>=1} 1/(1 + (-x)^k/(1 - x)^k).at n=16A307265