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=-1.

A177166

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=-1.

Terms

    a(0) =1a(1) =9a(2) =17a(3) =114a(4) =533a(5) =3406a(6) =20281a(7) =132987a(8) =868359a(9) =5880694a(10) =40168271a(11) =279254657a(12) =1959385953a(13) =13894772276a(14) =99289815837a(15) =714761301180

External references