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)=6, k=-1 and l=-1.
A177181
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)=6, k=-1 and l=-1.
Terms
- a(0) =1a(1) =6a(2) =9a(3) =50a(4) =203a(5) =1081a(6) =5491a(7) =30100a(8) =165841a(9) =941019a(10) =5401905a(11) =31489071a(12) =185415573a(13) =1102594901a(14) =6608330597a(15) =39889119774a(16) =242247852507
External references
- oeis: A177181