a(n) = Sum_{i=0..floor(n/2)} A047080(n,i).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =7a(5) =10a(6) =23a(7) =34a(8) =76a(9) =115a(10) =253a(11) =389a(12) =845a(13) =1316a(14) =2829a(15) =4452a(16) =9488a(17) =15061a(18) =31863a(19) =50951a(20) =107112a(21) =172366a(22) =360360a(23) =583110a(24) =1213150a(25) =1972647a(26) =4086217a(27) =6673417a(28) =13769519a(29) =22576008