Floor-Sqrt transform of little Schroeder numbers (A001003).

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =6a(5) =14a(6) =30a(7) =65a(8) =144a(9) =321a(10) =720a(11) =1626a(12) =3694a(13) =8428a(14) =19305a(15) =44371a(16) =102291a(17) =236450a(18) =547868a(19) =1272148a(20) =2959613a(21) =6897450a(22) =16100184a(23) =37635909a(24) =88095027a(25) =206458158a(26) =484399704a(27) =1137707979a(28) =2674734202a(29) =6293966627