Triangle T(n,k) of numbers with e.g.f. exp((exp((1+x)*y)-1)/(1+x)), k=0..n-1.

Terms

a(0) =1a(1) =2a(2) =1a(3) =5a(4) =5a(5) =1a(6) =15a(7) =23a(8) =10a(9) =1a(10) =52a(11) =109a(12) =76a(13) =19a(14) =1a(15) =203a(16) =544a(17) =531a(18) =224a(19) =36a(20) =1a(21) =877a(22) =2876a(23) =3641a(24) =2204a(25) =631a(26) =69a(27) =1a(28) =4140a(29) =16113