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.

A176952

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) =-47a(6) =-41a(7) =160a(8) =1093a(9) =3987a(10) =10173a(11) =14835a(12) =-20271a(13) =-249343a(14) =-1106383a(15) =-3335310a(16) =-6444345a(17) =-8187a(18) =67250223a(19) =363173857a(20) =1253557435a(21) =2927919099a(22) =2452549371a(23) =-18379498375a(24) =-127727251897a(25) =-501242196457

External references