Row sums of triangle A187005.

Terms

a(0) =1a(1) =2a(2) =5a(3) =18a(4) =96a(5) =733a(6) =7501a(7) =97054a(8) =1521112a(9) =28005248a(10) =592218737a(11) =14141289480a(12) =376251253450