Eigentriangle generated from A109128, row sums = expansion of {2(exp(x)-1)}.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =2a(6) =1a(7) =5a(8) =10a(9) =6a(10) =1a(11) =7a(12) =22a(13) =42a(14) =22a(15) =1a(16) =9a(17) =38a(18) =114a(19) =198a(20) =94a(21) =1a(22) =11a(23) =58a(24) =234a(25) =638a(26) =1034a(27) =454a(28) =1a(29) =13