Triangle of numbers {a(n,k), n >= 0, 0<=k<=n} defined by a(0,0)=1, a(n,0)=A001764(n), a(n,n)=A006013(n), a(n,n-1)=A006629(n-1).

A073147

Triangle of numbers {a(n,k), n >= 0, 0<=k<=n} defined by a(0,0)=1, a(n,0)=A001764(n), a(n,n)=A006013(n), a(n,n-1)=A006629(n-1).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =7a(6) =12a(7) =15a(8) =18a(9) =30a(10) =55a(11) =67a(12) =76a(13) =88a(14) =143a(15) =273a(16) =328a(17) =364a(18) =400a(19) =455a(20) =728a(21) =1428a(22) =1701a(23) =1866a(24) =2010a(25) =2175a(26) =2448a(27) =3876a(28) =7752a(29) =9180

External references