Triangle of numbers {a(n,k), n >= 0, 0<=k<=n} defined by a(0,0)=1, a(1,0)=2, a(n,0)=A006318(n), a(n,n)=A006319(n), a(n+1,0)=a(n,0)+a(n,n), a(n,m+1)= Sum A006318(k)*a(n-k,0), k=0..m.
A073150
Triangle of numbers {a(n,k), n >= 0, 0<=k<=n} defined by a(0,0)=1, a(1,0)=2, a(n,0)=A006318(n), a(n,n)=A006319(n), a(n+1,0)=a(n,0)+a(n,n), a(n,m+1)= Sum A006318(k)*a(n-k,0), k=0..m.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =6a(4) =10a(5) =16a(6) =22a(7) =34a(8) =46a(9) =68a(10) =90a(11) =134a(12) =170a(13) =214a(14) =304a(15) =394a(16) =574a(17) =706a(18) =838a(19) =1018a(20) =1412a(21) =1806a(22) =2594a(23) =3134a(24) =3618a(25) =4158a(26) =4946a(27) =6752a(28) =8558a(29) =12170
External references
- oeis: A073150