Triangle T(n,k) read by rows: inverse of the matrix PE = exp(P)/exp(1) given in A011971.

Terms

a(0) =1a(1) =-1a(2) =1a(3) =0a(4) =-2a(5) =1a(6) =1a(7) =0a(8) =-3a(9) =1a(10) =1a(11) =4a(12) =0a(13) =-4a(14) =1a(15) =-2a(16) =5a(17) =10a(18) =0a(19) =-5a(20) =1a(21) =-9a(22) =-12a(23) =15a(24) =20a(25) =0a(26) =-6a(27) =1a(28) =-9a(29) =-63