Number of triples (w,x,y) with all terms in {0,...,n} and w >= floor((x+y)/3).

Terms

a(0) =1a(1) =8a(2) =24a(3) =53a(4) =100a(5) =168a(6) =261a(7) =384a(8) =540a(9) =733a(10) =968a(11) =1248a(12) =1577a(13) =1960a(14) =2400a(15) =2901a(16) =3468a(17) =4104a(18) =4813a(19) =5600a(20) =6468a(21) =7421a(22) =8464a(23) =9600a(24) =10833a(25) =12168a(26) =13608a(27) =15157a(28) =16820a(29) =18600