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A096576
Number of solid partitions asymmetric under rotation operation.
7
0, 1, 3, 8, 19, 46, 101, 226, 486, 1038, 2163, 4471, 9077, 18260, 36258
OFFSET
1,3
COMMENTS
Equals (A000293-A096575)/3. Rotation has permutation cycle length 1 or 3. Uses function "solidformBTK" from link above.
EXAMPLE
Solid partition [{{3, 1, 1, 1}, {3}}, {{2, 1}}, {{1}}, {{1}}, {{1}}] rotates into [{{4, 1}, {1, 1}, {1, 1}}, {{2}, {1}}, {{1}}, {{1}}, {{1}}] by rotating each layer as a plane partition.
MATHEMATICA
See A096575.
KEYWORD
more,nonn
AUTHOR
Wouter Meeussen, Jun 27 2004
STATUS
approved