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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A068870 Number of polyhypercubes or 4-dimensional polyominoes with n cells (regarding mirror-images as identical).

Original entry on oeis.org

1, 1, 1, 2, 7, 26, 147, 1019, 8699, 82535, 846042, 9078720
Offset: 0

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Author

Franklin T. Adams-Watters, Mar 29 2002

Keywords

Links

Crossrefs

Excluding a(0), 140th row of A366766.
Cf. A049429, A049430, A255487.

Extensions

a(10) and a(11) from Don Reble, Feb 25 2015. - N. J. A. Sloane, Mar 01 2015

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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