Row sums of the triangle A179380 related to Bell numbers.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =11a(5) =35a(6) =138a(7) =600a(8) =2929a(9) =15339a(10) =86726a(11) =519310a(12) =3301573a(13) =22064391a(14) =155049044a(15) =1139285602a(16) =8746155589a(17) =69909181677a(18) =581099868484