cp's OEIS Frontend

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.

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A317968 Number of (not necessarily connected) line structures or "topoglyphs" with n regions.

Original entry on oeis.org

1, 1, 5, 28, 220
Offset: 0

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Author

N. J. A. Sloane, Aug 27 2018

Keywords

Comments

The precise definition is hard to understand from the article. But Marcel Golay was a famous scientist, and this article seems to have been overlooked, so the sequences are worth placing on record.

References

  • Marcel J. E. Golay, Topoglyphs, IEEE Trans. Computers, C-27 (No. 2, Feb. 1978), 164-167.

Links

Crossrefs

Cf. A317967.
A250001 is a similar sequence.
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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