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A075678 Number of fixed (orientation matters) polyominoids (shapes made of faces of cubes) with n squares. 1
3, 18, 158, 1611, 17811, 207395, 2505858, 31125711, 394982973, 5098498323, 66733261455, 883602795509 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..12.

Jorge Luis Mireles Jasso, The Polyominoids (gives a(4) and a(6))

CROSSREFS

Cf. A075679, A056846.

Sequence in context: A305824 A116956 A166887 * A089901 A238302 A067302

Adjacent sequences:  A075675 A075676 A075677 * A075679 A075680 A075681

KEYWORD

hard,nonn

AUTHOR

Joseph Myers, Sep 24 2002

STATUS

approved

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Last modified January 21 21:30 EST 2020. Contains 331128 sequences. (Running on oeis4.)