Even elements to the right of the central elements of the 5-Pascal triangle A028313.

Terms

a(0) =6a(1) =8a(2) =36a(3) =10a(4) =46a(5) =12a(6) =378a(7) =204a(8) =840a(9) =582a(10) =82a(11) =14a(12) =1422a(13) =96a(14) =3102a(15) =1210a(16) =16a(17) =562a(18) =8866a(19) =5148a(20) =144a(21) =18a(22) =14014a(23) =2912a(24) =162a(25) =20a(26) =78078a(27) =55848a(28) =31668a(29) =14028