Antidiagonal sums of triangle A183202.

Terms

a(0) =1a(1) =1a(2) =3a(3) =4a(4) =9a(5) =14a(6) =31a(7) =53a(8) =117a(9) =215a(10) =478a(11) =930a(12) =2092a(13) =4266a(14) =9732a(15) =20645a(16) =47820a(17) =104941a(18) =246931a(19) =558190a(20) =1334462a(21) =3097018a(22) =7521731a(23) =17874931a(24) =44092014