Antidiagonal sums of table A083047.

Terms

a(0) =1a(1) =5a(2) =15a(3) =34a(4) =68a(5) =127a(6) =225a(7) =387a(8) =652a(9) =1084a(10) =1787a(11) =2927a(12) =4775a(13) =7769a(14) =12616a(15) =20462a(16) =33160a(17) =53709a(18) =86962a(19) =140769a(20) =227834a(21) =368711a(22) =596658a(23) =965488a(24) =1562270a(25) =2527887a(26) =4090292a(27) =6618319a(28) =10708756a(29) =17327225