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)=9, k=0 and l=-2.
A177171
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)=9, k=0 and l=-2.
Terms
- a(0) =1a(1) =9a(2) =16a(3) =111a(4) =508a(5) =3268a(6) =19230a(7) =125859a(8) =815208a(9) =5494796a(10) =37280170a(11) =257711524a(12) =1796835778a(13) =12665947790a(14) =89949355454a(15) =643580501287
External references
- oeis: A177171