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A363383
Three-dimensional polyknights, identifying rotations but not reflections.
2
1, 1, 16, 346, 10611, 360098, 12864217
OFFSET
1,3
COMMENTS
The 24 neighborhood vectors are [0, +-1, +-2] (four choices of signs) and its six permutations.
Identifying reflections as well gives A363382.
CROSSREFS
Cf. A363383 (fixed 3D polyknights).
Sequence in context: A173906 A227102 A221577 * A136269 A010368 A053103
KEYWORD
nonn,hard,more
AUTHOR
STATUS
approved