Antidiagonal sums of A305962.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =11a(5) =34a(6) =141a(7) =736a(8) =4653a(9) =34842a(10) =303848a(11) =3041514a(12) =34520903a(13) =439820187a(14) =6238591638a(15) =97832195694