Row sums of A273751.

Terms

a(0) =1a(1) =5a(2) =16a(3) =37a(4) =72a(5) =124a(6) =197a(7) =294a(8) =419a(9) =575a(10) =766a(11) =995a(12) =1266a(13) =1582a(14) =1947a(15) =2364a(16) =2837a(17) =3369a(18) =3964a(19) =4625a(20) =5356a(21) =6160a(22) =7041a(23) =8002a(24) =9047a(25) =10179a(26) =11402a(27) =12719a(28) =14134a(29) =15650