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)=1, k=0 and l=-2.

A176753

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)=1, k=0 and l=-2.

Terms

    a(0) =1a(1) =1a(2) =0a(3) =-1a(4) =-4a(5) =-12a(6) =-34a(7) =-93a(8) =-248a(9) =-644a(10) =-1622a(11) =-3932a(12) =-9054a(13) =-19314a(14) =-36066a(15) =-48953a(16) =8372a(17) =415848a(18) =2180870a(19) =8609676a(20) =29858358a(21) =95443242a(22) =286747530a(23) =815867808a(24) =2199049782a(25) =5577559986a(26) =13083598882a(27) =27240793594a(28) =44583397354

External references