Number of subsets of {1,2,3,...,n} whose sum is a cube.

Terms

a(0) =2a(1) =2a(2) =2a(3) =3a(4) =5a(5) =6a(6) =8a(7) =15a(8) =29a(9) =48a(10) =71a(11) =112a(12) =216a(13) =445a(14) =849a(15) =1459a(16) =2403a(17) =4239a(18) =8343a(19) =17049a(20) =33416a(21) =61192a(22) =107290a(23) =190803a(24) =361136a(25) =722568a(26) =1457638a(27) =2847209a(28) =5322619a(29) =9679593