A355907 A355906(n)/3.

0, 0, -1, 1, -2, 3, -5, 7, -11, 16, -25, 37, -56, 84, -127, 190, -286, 429, -644, 966

Offset

0,5

Comments

This is also -(A355905(n)+A355906(n))/2.

Links

Table of n, a(n) for n=0..19.

Don Knuth, Ambidextrous Numbers, Preprint, September 2022.

Crossrefs

Cf. A355904-A355906, A355908-A355913.

Sequence in context: A154888 A271485 A018057 * A130137 A218022 A091980

Adjacent sequences: A355904 A355905 A355906 * A355908 A355909 A355910

Keyword

sign,more

Author

N. J. A. Sloane, Sep 18 2022

Status

approved