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)=9, k=-1 and l=1.

A177200

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)=9, k=-1 and l=1.

Terms

    a(0) =1a(1) =9a(2) =17a(3) =113a(4) =529a(5) =3377a(6) =20113a(7) =131761a(8) =859921a(9) =5818417a(10) =39713681a(11) =275857841a(12) =1933976593a(13) =13702864689a(14) =97835776145a(15) =703688999089

External references