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.

A176967

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) =9a(3) =41a(4) =169a(5) =825a(6) =4073a(7) =21113a(8) =111657a(9) =603961a(10) =3317353a(11) =18472697a(12) =104002729a(13) =591135417a(14) =3387188969a(15) =19545660025a(16) =113483969833a(17) =662493218361

External references