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A365561
Number of free n-polysticks (or polyedges) in 4 dimensions.
6
1, 2, 7, 31, 199, 1651, 16648
OFFSET
1,2
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
KEYWORD
nonn,hard,more
AUTHOR
STATUS
approved