Row sums of triangle A136791.

Terms

a(0) =1a(1) =4a(2) =17a(3) =70a(4) =297a(5) =1342a(6) =6519a(7) =34006a(8) =189647a(9) =1125180a(10) =7070043a(11) =46861668a(12) =326509757a(13) =2384118432a(14) =18194367189a(15) =144769455298