Antidiagonal sums of table A083044.

Terms

a(0) =1a(1) =6a(2) =16a(3) =35a(4) =67a(5) =118a(6) =197a(7) =319a(8) =506a(9) =789a(10) =1215a(11) =1860a(12) =2830a(13) =4290a(14) =6481a(15) =9771a(16) =14708a(17) =22120a(18) =33239a(19) =49921a(20) =74946a(21) =112490a(22) =168807a(23) =253286a(24) =380008a(25) =570095a(26) =855228a(27) =1282931a(28) =1924490a(29) =2886828