login
A075679
Number of free (rotations and reflections count as same shape) polyominoids (shapes made of faces of cubes) with n squares.
12
1, 2, 9, 54, 448, 4650, 53611, 655033, 8259635, 106371085, 1391032357, 18412269694
OFFSET
1,2
LINKS
Skye Rothstein, Folding and Embedding Cubical Complexes, Undergraduate senior project, Bard College (2024). See p. 9.
Wikipedia, Polyominoid
CROSSREFS
18th row of A366766.
Sequence in context: A353255 A254795 A064151 * A001757 A267225 A078455
KEYWORD
hard,more,nonn
AUTHOR
Joseph Myers, Sep 24 2002
STATUS
approved