Antidiagonal sums of table A060543.

Terms

a(0) =1a(1) =2a(2) =5a(3) =17a(4) =72a(5) =357a(6) =2022a(7) =12900a(8) =91448a(9) =711180a(10) =6004981a(11) =54619489a(12) =531854438a(13) =5515551251a(14) =60642234815a(15) =704106298738