Triangle read by rows, T(n,k) = Sum_{j=0..n} C(n,j)*L(j,k), L the unsigned Lah numbers A271703, for n>=0 and 0<=k<=n.
A271705
Triangle read by rows, T(n,k) = Sum_{j=0..n} C(n,j)*L(j,k), L the unsigned Lah numbers A271703, for n>=0 and 0<=k<=n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =15a(8) =9a(9) =1a(10) =1a(11) =64a(12) =66a(13) =16a(14) =1a(15) =1a(16) =325a(17) =490a(18) =190a(19) =25a(20) =1a(21) =1a(22) =1956a(23) =3915a(24) =2120a(25) =435a(26) =36a(27) =1a(28) =1a(29) =13699
External references
- oeis: A271705