a(0)=0; a(1)=1; a(n) = Sum_{k=1..floor(n^(1/3))} a(n-k) for n >= 2.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =2a(9) =3a(10) =5a(11) =8a(12) =13a(13) =21a(14) =34a(15) =55a(16) =89a(17) =144a(18) =233a(19) =377a(20) =610a(21) =987a(22) =1597a(23) =2584a(24) =4181a(25) =6765a(26) =10946a(27) =21892a(28) =39603a(29) =72441