The binary encoding (as a rooted planar tree) of each rooted planar binary tree. See A057123 for illustration.

A057122

The binary encoding (as a rooted planar tree) of each rooted planar binary tree. See A057123 for illustration.

Terms

    a(0) =0a(1) =10a(2) =180a(3) =210a(4) =2920a(5) =2980a(6) =3380a(7) =3490a(8) =3730a(9) =46800a(10) =46920a(11) =47720a(12) =47940a(13) =48420a(14) =54120a(15) =54180a(16) =55860a(17) =56130a(18) =56610a(19) =59700a(20) =59810a(21) =60690a(22) =62610a(23) =748960a(24) =749200a(25) =750800a(26) =751240a(27) =752200a(28) =763600a(29) =763720

External references