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=1 and l=-1.
A177179
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=1 and l=-1.
Terms
- a(0) =1a(1) =9a(2) =19a(3) =121a(4) =587a(5) =3717a(6) =22603a(7) =149065a(8) =988291a(9) =6762757a(10) =46812915a(11) =329336265a(12) =2340489211a(13) =16803807621a(14) =121604988955a(15) =886446236169
External references
- oeis: A177179