Triangle read by rows, Bell transform of second order Bell numbers (A187761).

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) =6a(12) =11a(13) =6a(14) =1a(15) =0a(16) =23a(17) =50a(18) =35a(19) =10a(20) =1a(21) =0a(22) =106a(23) =268a(24) =225a(25) =85a(26) =15a(27) =1a(28) =0a(29) =568