A006764 Number of fixed properly-4-dimensional polyominoes with n cells.

0, 0, 0, 0, 400, 8640, 129288, 1688424, 20762073, 248384816, 2937307716, 34618858308

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• more

References

• 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, Vol. 18 (1975), pp. 366-67.

Crossrefs

Cf. A000105. A column of A195739.

Formula

a(n) = A151830(n) - 4 * A006763(n) - 6 * A006762(n) - 4 for n > 1. - Sean A. Irvine, Jul 28 2017