67887

Appears in sequences

• Number of degree 4 number fields unramified outside the first n prime numbers.at n=5A368057
• G.f. satisfies A(x) = Sum_{n>=0} x^n * Product_{k=0..n} (1 + a(1)*x + a(2)*x^2 + a(3)*x^3 + ... + a(k)*x^k).at n=15A385906