Triangle read by rows: T(n,k) = Sum_{j=0..k-1} T(n,j) + Sum_{j=1..n-k} T(n-j,k), with T(0,0)=1 and T(n,k) = 0 for k > n.
A059450
Triangle read by rows: T(n,k) = Sum_{j=0..k-1} T(n,j) + Sum_{j=1..n-k} T(n-j,k), with T(0,0)=1 and T(n,k) = 0 for k > n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =5a(6) =4a(7) =8a(8) =17a(9) =29a(10) =8a(11) =20a(12) =50a(13) =107a(14) =185a(15) =16a(16) =48a(17) =136a(18) =336a(19) =721a(20) =1257a(21) =32a(22) =112a(23) =352a(24) =968a(25) =2370a(26) =5091a(27) =8925a(28) =64a(29) =256
External references
- oeis: A059450