Number of distinct sums i^3 + j^3 + k^3 for 0<=i<=j<=k<=n.

Terms

a(0) =1a(1) =4a(2) =10a(3) =20a(4) =35a(5) =56a(6) =82a(7) =117a(8) =162a(9) =215a(10) =279a(11) =352a(12) =426a(13) =528a(14) =645a(15) =772a(16) =899a(17) =1057a(18) =1235a(19) =1429a(20) =1647a(21) =1883a(22) =2133a(23) =2415a(24) =2694a(25) =3022a(26) =3374a(27) =3721a(28) =4130a(29) =4564