Triangle of partial row sums (prs) of triangle A055252.

Terms

a(0) =1a(1) =5a(2) =1a(3) =19a(4) =6a(5) =1a(6) =63a(7) =25a(8) =7a(9) =1a(10) =192a(11) =88a(12) =32a(13) =8a(14) =1a(15) =552a(16) =280a(17) =120a(18) =40a(19) =9a(20) =1a(21) =1520a(22) =832a(23) =400a(24) =160a(25) =49a(26) =10a(27) =1a(28) =4048a(29) =2352