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A355910
Number of nodes at level n in the tree T_{-2}.
2
1, 1, 1, 2, 3, 4, 6, 9, 14, 21, 31, 47, 71, 106, 159, 239, 358, 537, 806, 1209, 1813, 2719, 4079, 6119
OFFSET
0,4
COMMENTS
First differences of A355909.
LINKS
Don Knuth, Ambidextrous Numbers, Preprint, September 2022. See (12.6).
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Sep 19 2022
STATUS
approved