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)=0, k=1 and l=1.

A176610

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)=0, k=1 and l=1.

Terms

    a(0) =1a(1) =0a(2) =3a(3) =10a(4) =25a(5) =65a(6) =197a(7) =652a(8) =2203a(9) =7523a(10) =26159a(11) =92663a(12) =332747a(13) =1206641a(14) =4411883a(15) =16252550a(16) =60270497a(17) =224798517a(18) =842706069a(19) =3173330573a(20) =11998214633a(21) =45531318219a(22) =173359346313a(23) =662062569685

External references