A317967 Number of connected line structures or "topoglyphs" with n regions.

1, 1, 4, 23, 186

Offset: 0

Author

N. J. A. Sloane, Aug 27 2018

Keywords

• nonn
• more

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

• N. J. A. Sloane, Annotated scan of the Golay article

Crossrefs

Cf. A317968.

A250001 is a similar sequence.