A014486-encoding of binary trees whose left and right subtree are identical.

Terms

a(0) =0a(1) =2a(2) =50a(3) =842a(4) =908a(5) =13610a(6) =13868a(7) =14642a(8) =14900a(9) =15416a(10) =218282a(11) =219308a(12) =222386a(13) =223412a(14) =225464a(15) =234698a(16) =235724a(17) =238802a(18) =239828a(19) =241880a(20) =247010a(21) =248036a(22) =250088a(23) =254192a(24) =3494570a(25) =3498668a(26) =3510962a(27) =3515060a(28) =3523256a(29) =3560138