T(n,[ n/2 ]), T given by A026703.

Terms

a(0) =1a(1) =1a(2) =3a(3) =5a(4) =13a(5) =24a(6) =61a(7) =116a(8) =293a(9) =564a(10) =1421a(11) =2752a(12) =6925a(13) =13457a(14) =33839a(15) =65891a(16) =165621a(17) =322905a(18) =811431a(19) =1583317a(20) =3978065a(21) =7766507a(22) =19511079a(23) =38106295a(24) =95723669a(25) =187002147a(26) =469727963a(27) =917808733a(28) =2305345429a(29) =4505028968