Triangle read by rows, T(n,k) = EL(n,k)/(n-k+1)! and EL(n,k) the matrix-exponential of the unsigned Lah numbers scaled by exp(-1), for n>=0 and 0<=k<=n.

A256550

Triangle read by rows, T(n,k) = EL(n,k)/(n-k+1)! and EL(n,k) the matrix-exponential of the unsigned Lah numbers scaled by exp(-1), for n>=0 and 0<=k<=n.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =2a(8) =3a(9) =1a(10) =0a(11) =5a(12) =12a(13) =6a(14) =1a(15) =0a(16) =15a(17) =50a(18) =40a(19) =10a(20) =1a(21) =0a(22) =52a(23) =225a(24) =250a(25) =100a(26) =15a(27) =1a(28) =0a(29) =203

External references