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=0.

A176854

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=0.

Terms

    a(0) =1a(1) =0a(2) =-2a(3) =-7a(4) =-18a(5) =-37a(6) =-52a(7) =10a(8) =412a(9) =1865a(10) =5740a(11) =12922a(12) =16092a(13) =-29767a(14) =-290264a(15) =-1213217a(16) =-3608342a(17) =-7564363a(18) =-6023704a(19) =38816098a(20) =259037300a(21) =991747431a(22) =2756105680a(23) =5061761997a(24) =284694486a(25) =-47403203725a(26) =-254747436848

External references