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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.

A387066 Number of equivalence classes (up to graph homeomorphism) of finite graphs that have an embedding in an orientable surface of genus n which minimally separates the surface of genus n (that is, no proper subset of the embedding separates the genus n surface) but not the surface of genus n-1.

Table of values

n a(n)
0 1
1 4
2 21
3 191
4 3338
5 115438

List of values

[1, 4, 21, 191, 3338, 115438]

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

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