Number of (w,x,y) with all terms in {0,...,n} and 2*max(w,x,y) > 3*min(w,x,y).

Terms

a(0) =0a(1) =6a(2) =24a(3) =54a(4) =108a(5) =192a(6) =300a(7) =450a(8) =648a(9) =882a(10) =1176a(11) =1536a(12) =1944a(13) =2430a(14) =3000a(15) =3630a(16) =4356a(17) =5184a(18) =6084a(19) =7098a(20) =8232a(21) =9450a(22) =10800a(23) =12288a(24) =13872a(25) =15606a(26) =17496a(27) =19494a(28) =21660a(29) =24000