293620

Appears in sequences

• Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=3, k=-2 and l=0.at n=11A177115
• Numbers k that divide 2^k + 4.at n=15A244673