p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S^3 - S^6.

Terms

a(0) =0a(1) =0a(2) =1a(3) =0a(4) =3a(5) =2a(6) =6a(7) =12a(8) =13a(9) =42a(10) =42a(11) =117a(12) =156a(13) =312a(14) =531a(15) =894a(16) =1641a(17) =2757a(18) =4866a(19) =8643a(20) =14525a(21) =26637a(22) =44292a(23) =80738a(24) =136563a(25) =243747a(26) =420347a(27) =739188a(28) =1286250a(29) =2252976