Row sums of A174159.

Terms

a(0) =1a(1) =1a(2) =2a(3) =7a(4) =34a(5) =198a(6) =1308a(7) =9651a(8) =79210a(9) =720898a(10) =7240804a(11) =79774814a(12) =957795188a(13) =12453298700a(14) =174353907960