Triangle, read by rows, defined by: T(n,k) = Sum_{j=0..n-k-1} T(j+k,k)*T(n-j,k+1) for n > k >= 0, with T(n,n) = n+1.
A127058
Triangle, read by rows, defined by: T(n,k) = Sum_{j=0..n-k-1} T(j+k,k)*T(n-j,k+1) for n > k >= 0, with T(n,n) = n+1.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =10a(4) =6a(5) =3a(6) =74a(7) =42a(8) =12a(9) =4a(10) =706a(11) =414a(12) =108a(13) =20a(14) =5a(15) =8162a(16) =5058a(17) =1332a(18) =220a(19) =30a(20) =6a(21) =110410a(22) =72486a(23) =19908a(24) =3260a(25) =390a(26) =42a(27) =7a(28) =1708394a(29) =1182762
External references
- oeis: A127058