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)=3, k=-1 and l=1.

A176964

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)=3, k=-1 and l=1.

Terms

    a(0) =1a(1) =3a(2) =5a(3) =17a(4) =61a(5) =245a(6) =1021a(7) =4405a(8) =19453a(9) =87589a(10) =400541a(11) =1855493a(12) =8689213a(13) =41068965a(14) =195659357a(15) =938623045a(16) =4530198013a(17) =21982331237a(18) =107178047773a(19) =524805028357

External references