Row sums of triangle A134480.

Terms

a(0) =0a(1) =5a(2) =20a(3) =50a(4) =100a(5) =175a(6) =280a(7) =420a(8) =600a(9) =825a(10) =1100a(11) =1430a(12) =1820a(13) =2275a(14) =2800a(15) =3400a(16) =4080a(17) =4845a(18) =5700a(19) =6650a(20) =7700a(21) =8855a(22) =10120a(23) =11500a(24) =13000a(25) =14625a(26) =16380a(27) =18270a(28) =20300a(29) =22475