Riordan array (1/(1-xc(2x)),xc(2x)/(1-xc(2x))), c(x) the g.f. of A000108.

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =4a(5) =1a(6) =13a(7) =19a(8) =7a(9) =1a(10) =67a(11) =102a(12) =44a(13) =10a(14) =1a(15) =381a(16) =593a(17) =278a(18) =78a(19) =13a(20) =1a(21) =2307a(22) =3640a(23) =1795a(24) =568a(25) =121a(26) =16a(27) =1a(28) =14589a(29) =23231