Triangle of numbers {a(n,k), n >= 0, 0<=k<=n} defined by a(0,0)=1, a(n,0)=A006013(n), a(n+1,n)=A001764(n+1), a(n,m) = Sum A001764(n-k)*a(n,k), k=0..m.

A073148

Triangle of numbers {a(n,k), n >= 0, 0<=k<=n} defined by a(0,0)=1, a(n,0)=A006013(n), a(n+1,n)=A001764(n+1), a(n,m) = Sum A001764(n-k)*a(n,k), k=0..m.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =7a(4) =9a(5) =12a(6) =30a(7) =37a(8) =43a(9) =55a(10) =143a(11) =173a(12) =194a(13) =218a(14) =273a(15) =728a(16) =871a(17) =961a(18) =1045a(19) =1155a(20) =1428a(21) =3876a(22) =4604a(23) =5033a(24) =5393a(25) =5778a(26) =6324a(27) =7752a(28) =21318a(29) =25194

External references