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A365561
Number of free n-polysticks (or polyedges) in 4 dimensions.
6
1, 2, 7, 31, 199, 1651, 16648
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..7.
Index entries for sequences related to polyominoes.
CROSSREFS
42nd row of A366766.
Sum of first four columns of A365566.
Cf. A019988 (2 dimensions), A365559 (3 dimensions), A365562 (fixed), A365563 (5 dimensions), A365565 (arbitrary dimension).
Sequence in context: A245313 A306037 A046907 * A365563 A365565 A091312
Adjacent sequences: A365558 A365559 A365560 * A365562 A365563 A365564
KEYWORD
nonn,hard,more
AUTHOR
Pontus von Brömssen, Sep 09 2023
STATUS
approved

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Last modified October 5 11:36 EDT 2024. Contains 376546 sequences.
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