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)=8, k=-1 and l=1.

A177199

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)=8, k=-1 and l=1.

Terms

    a(0) =1a(1) =8a(2) =15a(3) =92a(4) =421a(5) =2535a(6) =14561a(7) =90770a(8) =568023a(9) =3668869a(10) =23962891a(11) =159056633a(12) =1066354423a(13) =7222075575a(14) =49299161087a(15) =338967663280

External references