Antidiagonal sums of table A128570.

Terms

a(0) =1a(1) =2a(2) =7a(3) =44a(4) =419a(5) =5254a(6) =80687a(7) =1458524a(8) =30259147a(9) =707813762a(10) =18421139495a(11) =527856303160