Antidiagonal sums of the array defined in A385623.

Terms

a(0) =0a(1) =11a(2) =33a(3) =66a(4) =110a(5) =165a(6) =231a(7) =308a(8) =396a(9) =495a(10) =605a(11) =816a(12) =1128a(13) =1541a(14) =2055a(15) =2670a(16) =3386a(17) =4203a(18) =5121a(19) =6140a(20) =7260a(21) =8481a(22) =9803a(23) =11226a(24) =12750a(25) =14375a(26) =16101a(27) =17928a(28) =19856a(29) =21885