56309

Appears in sequences

• Numbers n such that p1=2n+3, p2=4n+5, p3=6n+7 and p4=8n+9 are all prime.at n=29A105653
• Expansion of g/(1 - x^2*g), where g = 1+x*g^4 is the g.f. of A002293.at n=7A390280