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.

A309689 Number of even parts appearing among the second largest parts of the partitions of n into 3 parts.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 1
6 2
7 2
8 2
9 3
10 4
11 5
12 6
13 7
14 8
15 9
16 10
17 12
18 14
19 15
20 16
21 18
22 20
23 22
24 24
25 26
26 28
27 30
28 32
29 35
30 38
31 40
32 42
33 45
34 48
35 51
36 54
37 57
38 60
39 63
40 66
41 70
42 74
43 77
44 80
45 84
46 88
47 92
48 96
49 100
50 104
51 108
52 112
53 117
54 122
55 126
56 130
57 135
58 140
59 145
60 150
61 155
62 160
63 165
64 170

List of values

[0, 0, 0, 0, 0, 1, 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 22, 24, 26, 28, 30, 32, 35, 38, 40, 42, 45, 48, 51, 54, 57, 60, 63, 66, 70, 74, 77, 80, 84, 88, 92, 96, 100, 104, 108, 112, 117, 122, 126, 130, 135, 140, 145, 150, 155, 160, 165, 170]

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

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