p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S^3.

Terms

a(0) =0a(1) =0a(2) =1a(3) =0a(4) =3a(5) =1a(6) =6a(7) =6a(8) =11a(9) =21a(10) =24a(11) =57a(12) =66a(13) =138a(14) =194a(15) =330a(16) =546a(17) =827a(18) =1452a(19) =2175a(20) =3739a(21) =5826a(22) =9582a(23) =15519a(24) =24807a(25) =40836a(26) =64933a(27) =106584a(28) =170796a(29) =277696