Row sums of triangle A115085.

Terms

a(0) =1a(1) =2a(2) =6a(3) =21a(4) =91a(5) =470a(6) =2763a(7) =17894a(8) =125113a(9) =932702a(10) =7347025a(11) =60761449a(12) =524852444a(13) =4716259252a(14) =43936770258a(15) =423178496553