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

Terms

a(0) =6a(1) =21a(2) =62a(3) =168a(4) =426a(5) =1029a(6) =2394a(7) =5403a(8) =11892a(9) =25626a(10) =54228a(11) =112958a(12) =232056a(13) =470904a(14) =945152a(15) =1878351a(16) =3699666a(17) =7227807a(18) =14015538a(19) =26991978a(20) =51654946a(21) =98275461a(22) =185958162a(23) =350093468a(24) =655988730a(25) =1223722623a(26) =2273327418a(27) =4206691146a(28) =7755620994a(29) =14248825833