A355905 Leftmost path in the tree T_0 of all negasemiternary (or NST) fractions whose 2-adic part is zero.

0, 2, 1, 1, 0, 1, 1, 1, 1, 2, 1, 1, 0, 2, 1, 2, 0, 1, 0, 2, 0, 1, 1, 2, 0, 1, 0, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 0, 1, 0, 1, 1, 2, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 1, 2, 1, 2, 0, 1, 1, 2, 0, 1, 0, 2, 1, 2, 0, 2, 0, 2, 0, 2, 1, 2, 1, 1, 1, 2, 0, 1, 1, 1, 0, 2, 1, 2, 0, 1, 1

Offset: 0

Author

N. J. A. Sloane, Sep 18 2022

Keywords

• nonn

Comments

These are the edge labels in the tree. The initial a(0) = 0 is by convention.

Links

• Don Knuth, Ambidextrous Numbers, Preprint, September 2022. See (7.2).

Crossrefs

Cf. A355904, A355906-A355913.