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=0 and l=1.

A176606

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=0 and l=1.

Terms

    a(0) =1a(1) =3a(2) =7a(3) =24a(4) =91a(5) =376a(6) =1635a(7) =7377a(8) =34197a(9) =161876a(10) =779125a(11) =3801307a(12) =18757219a(13) =93444662a(14) =469349303a(15) =2374206202a(16) =12084696935a(17) =61848753886a(18) =318082531211

External references