Row sums of triangle A086634.

Terms

a(0) =1a(1) =2a(2) =5a(3) =24a(4) =137a(5) =833a(6) =5301a(7) =34946a(8) =236640a(9) =1636524a(10) =11510571a(11) =82088700a(12) =592216248a(13) =4314349823a(14) =31694295852a(15) =234526323852