Row sums of A163233 and A163235 divided by 3.

Terms

a(0) =0a(1) =1a(2) =6a(3) =10a(4) =30a(5) =51a(6) =68a(7) =84a(8) =164a(9) =245a(10) =330a(11) =414a(12) =482a(13) =551a(14) =616a(15) =680a(16) =1000a(17) =1321a(18) =1646a(19) =1970a(20) =2310a(21) =2651a(22) =2988a(23) =3324a(24) =3596a(25) =3869a(26) =4146a(27) =4422a(28) =4682a(29) =4943