Row sums of triangle A115080.

Terms

a(0) =1a(1) =2a(2) =6a(3) =20a(4) =82a(5) =397a(6) =2186a(7) =13241a(8) =86578a(9) =603249a(10) =4440800a(11) =34313272a(12) =276904847a(13) =2324369733a(14) =20227700385a(15) =181987602305