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=0 and l=-1.

A176675

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=0 and l=-1.

Terms

    a(0) =1a(1) =0a(2) =-1a(3) =-3a(4) =-7a(5) =-14a(6) =-23a(7) =-24a(8) =21a(9) =220a(10) =821a(11) =2261a(12) =4935a(13) =7814a(14) =3615a(15) =-34251a(16) =-179511a(17) =-593420a(18) =-1521779a(19) =-3001089a(20) =-3500101a(21) =4410846a(22) =44902907a(23) =179440150a(24) =526896835a(25) =1212055740a(26) =1976482795a(27) =697522595a(28) =-10858119895a(29) =-56563343774

External references