A006766 Number of 3-dimensional polyominoes with n cells.

0, 0, 0, 2, 11, 77, 499, 3442, 24128, 173428, 1262464, 9307494

Offset: 1

Author

N. J. A. Sloane

Keywords

• hard
• nonn

References

• Dan Hoey, Bill Gosper and Richard C. Schroeppel, Discussions in Math-Fun Mailing list, circa Jul 13 1999.
• N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

• W. F. Lunnon, Counting multidimensional polyominoes. Computer Journal 18 (1975), no. 4, pp. 366-367.
• R. C. Schroeppel, A few mathematical experiments, Experimental Mathematics Workshop, Oakland, California, March 30, 2004.

Crossrefs

A row of A049429. A column of A049430.