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A234599 Number of n-celled solid polyominoes (or free polycubes, allowing mirror-image identification) with chessboard coloring. 0
2, 1, 4, 10, 46, 204, 1214, 7497, 50826, 355334, 2559074, 18736327, 139027092 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Chessboard-colored polycubes, considering to be distinct two solids that cannot be mapped onto each other by any form of symmetry.
LINKS
FORMULA
a(n) = 2*A038119(n) for odd n.
CROSSREFS
Sequence in context: A085421 A001071 A121198 * A016544 A134028 A111479
KEYWORD
nonn,more
AUTHOR
John Mason, Jan 07 2014
EXTENSIONS
a(12)-a(13) from John Mason, Aug 01 2021
STATUS
approved

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Last modified August 28 01:15 EDT 2024. Contains 375477 sequences. (Running on oeis4.)