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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.

A358302 Number of triangular regions in the Farey Diagram Farey(n,n), divided by 4.

Original entry on oeis.org

1, 12, 100, 392, 1554, 3486, 9690, 18942, 38610, 65268, 125116, 186870, 324646, 472546, 713354, 1003888, 1531908, 2000638, 2920970, 3780950
Offset: 1

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Author

Scott R. Shannon and N. J. A. Sloane, Dec 06 2022

Keywords

Comments

This is the leading column in A358885, divided by 4.
It would be nice to have a formula.

Crossrefs

The Farey Diagrams Farey(m,n) are studied in A358298-A358307 and A358882-A358885, the Completed Farey Diagrams of order (m,n) in A358886-A358889.

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

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