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)=5, k=-1 and l=-1.

A176958

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)=5, k=-1 and l=-1.

Terms

    a(0) =1a(1) =5a(2) =7a(3) =35a(4) =135a(5) =663a(6) =3159a(7) =16055a(8) =82423a(9) =434247a(10) =2317623a(11) =12547975a(12) =68644919a(13) =379136007a(14) =2110601527a(15) =11832031495a(16) =66734423095a(17) =378429810183

External references