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A075678
Number of fixed (orientation matters) polyominoids (shapes made of faces of cubes) with n squares.
10
3, 18, 158, 1611, 17811, 207395, 2505858, 31125711, 394982973, 5098498323, 66733261455, 883602795509
OFFSET
1,1
LINKS
Jorge Luis Mireles Jasso, The Polyominoids (gives a(4) and a(6))
CROSSREFS
Cf. A075679 (free), A056846.
18th row of A366767.
Sequence in context: A305824 A116956 A166887 * A341331 A089901 A375879
KEYWORD
hard,nonn
AUTHOR
Joseph Myers, Sep 24 2002
STATUS
approved