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A355908 A335905(n) + A335906(n). 2
0, 2, -2, 4, -6, 10, -14, 22, -32, 50, -74, 112, -168, 254, -380, 572, -858, 1288, -1932, 2900 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
This is also -2*A355907(n).
LINKS
Table of n, a(n) for n=0..19.
Don Knuth, Ambidextrous Numbers, Preprint, September 2022.
CROSSREFS
Cf. A355904-A355907, A355909-A355913.
Sequence in context: A278297 A139582 A300415 * A306731 A276059 A034410
Adjacent sequences: A355905 A355906 A355907 * A355909 A355910 A355911
KEYWORD
sign,more
AUTHOR
N. J. A. Sloane, Sep 19 2022
STATUS
approved

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Last modified June 1 14:02 EDT 2024. Contains 373023 sequences. (Running on oeis4.)