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.

A176959

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) =-1a(3) =-4a(4) =-11a(5) =-25a(6) =-47a(7) =-62a(8) =7a(9) =421a(10) =1883a(11) =5897a(12) =14599a(13) =27207a(14) =23759a(15) =-88160a(16) =-611867a(17) =-2334109a(18) =-6792407a(19) =-15438797a(20) =-23262579a(21) =6709917a(22) =220802693a(23) =1059222003a(24) =3559089425a(25) =9375216161a(26) =18369306441a(27) =16084068633a(28) =-70367438799

External references