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.
A177130
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) =19a(3) =120a(4) =583a(5) =3688a(6) =22431a(7) =147801a(8) =979425a(9) =6696656a(10) =46323049a(11) =325632187a(12) =2312401207a(13) =16588994570a(14) =119955953891a(15) =873728090530
External references
- oeis: A177130