Antidiagonal sums of A343053.

Terms

a(0) =0a(1) =0a(2) =0a(3) =15a(4) =48a(5) =115a(6) =217a(7) =385a(8) =611a(9) =945a(10) =1366a(11) =1947a(12) =2650a(13) =3575a(14) =4663a(15) =6045a(16) =7637a(17) =9605a(18) =11836a(19) =14535a(20) =17556a(21) =21147a(22) =25125a(23) =29785a(24) =34903a(25) =40825a(26) =47282a(27) =54675a(28) =62686a(29) =71775