4740120

Appears in sequences

• Number of labeled n-node 4-valent graphs containing a triple edge and a double edge.at n=9A058835
• Expansion of e.g.f.: 2/(2-2*x-x^2).at n=9A080599
• Numbers that can be expressed as the difference of the squares of primes in exactly seventeen distinct ways.at n=16A092013
• G.f. A(x) satisfies A(x)^3 = 1 + 9*x*A(x)^5.at n=6A245114