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.

A331157 Number of iposets (posets with interfaces) with starting interfaces only, with n points.

Table of values

n	a(n)
0	1
1	2
2	5
3	16
4	66
5	350

List of values

[1, 2, 5, 16, 66, 350]

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

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