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.

A202820 The left-hand half-triangle of A202704.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 1
6 1
7 3
8 2
9 1
10 0
11 17
12 20
13 22
14 23
15 23
16 105
17 88
18 68
19 46
20 23
21 0

List of values

[0, 0, 0, 1, 1, 1, 3, 2, 1, 0, 17, 20, 22, 23, 23, 105, 88, 68, 46, 23, 0]

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

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