A071671 The binary encoding of parenthesizations given in a "global arithmetic order", using A061579 as the packing bijection N X N -> N.

10, 1010, 1100, 101010, 110010, 110100, 101100, 11001010, 11010010, 111000, 10101010, 11001100, 1101001010, 11100010, 11010100, 10110010, 1100101010, 1101001100, 1110001010, 1101010010, 11100100, 10110100, 1100110010

Offset

1,1

Links

Table of n, a(n) for n=1..23.

A. Karttunen, Gatomorphisms (Includes the complete Scheme source for computing this sequence)

Crossrefs

a(n) = A063171(A071652(n)). Permutation of A063171 and A071672. In particular, applying the automorphism ReflectBinTree (A057163) to A071671(n) yields A071672(n). The length of each term / 2 gives A071673.

Sequence in context: A066489 A063171 A075166 * A075171 A106456 A079214

Adjacent sequences: A071668 A071669 A071670 * A071672 A071673 A071674

Keyword

nonn,tabl

Author

Antti Karttunen, May 30 2002

Status

approved