Row sums of triangle A131819.

Terms

a(0) =1a(1) =6a(2) =16a(3) =33a(4) =59a(5) =96a(6) =146a(7) =211a(8) =293a(9) =394a(10) =516a(11) =661a(12) =831a(13) =1028a(14) =1254a(15) =1511a(16) =1801a(17) =2126a(18) =2488a(19) =2889a(20) =3331a(21) =3816a(22) =4346a(23) =4923a(24) =5549a(25) =6226a(26) =6956a(27) =7741a(28) =8583a(29) =9484