Antidiagonal sums of triangle A227372.

Terms

a(0) =1a(1) =1a(2) =2a(3) =6a(4) =18a(5) =59a(6) =199a(7) =693a(8) =2465a(9) =8937a(10) =32880a(11) =122513a(12) =461331a(13) =1753037a(14) =6713758a(15) =25888515a(16) =100427611a(17) =391657635a(18) =1534674930a(19) =6039078032a(20) =23855475724a(21) =94561195899a(22) =376019415794