Number of (w,x,y,z) with all terms in {1,...,n} and w^3>=x^3+y^3+z^3.

Terms

a(0) =0a(1) =0a(2) =1a(3) =9a(4) =35a(5) =89a(6) =198a(7) =373a(8) =651a(9) =1059a(10) =1632a(11) =2407a(12) =3432a(13) =4767a(14) =6453a(15) =8536a(16) =11097a(17) =14189a(18) =17906a(19) =22308a(20) =27451a(21) =33438a(22) =40332a(23) =48291a(24) =57313a(25) =67602a(26) =79200a(27) =92187a(28) =106774a(29) =122952