Number of minimal palindromic words of length n over {1,2} that begin with 1.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =4a(5) =2a(6) =6a(7) =2a(8) =14a(9) =7a(10) =20a(11) =8a(12) =52a(13) =23a(14) =84a(15) =28a(16) =214a(17) =85a(18) =348a(19) =109a(20) =890a(21) =328a(22) =1444a(23) =420a(24) =3810a(25) =1283a(26) =6098a(27) =1675a(28) =16388a(29) =5201