a(n) = T(n,[ n/2 ]), where T is the array defined in A024996.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =5a(5) =8a(6) =24a(7) =40a(8) =133a(9) =218a(10) =736a(11) =1203a(12) =4135a(13) =6743a(14) =23452a(15) =38194a(16) =134043a(17) =218115a(18) =770864a(19) =1253614a(20) =4455462a(21) =7242629a(22) =25859380a(23) =42022984a(24) =150615223a(25) =244700887a(26) =879876040a(27) =1429252775a(28) =5153445895a(29) =8369948745