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.

A309687 Number of odd 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 1
4 1
5 1
6 1
7 2
8 3
9 4
10 4
11 5
12 6
13 7
14 8
15 10
16 11
17 12
18 13
19 15
20 17
21 19
22 20
23 22
24 24
25 26
26 28
27 31
28 33
29 35
30 37
31 40
32 43
33 46
34 48
35 51
36 54
37 57
38 60
39 64
40 67
41 70
42 73
43 77
44 81
45 85
46 88
47 92
48 96
49 100
50 104
51 109
52 113
53 117
54 121
55 126
56 131
57 136
58 140
59 145
60 150
61 155
62 160
63 166

List of values

[0, 0, 0, 1, 1, 1, 1, 2, 3, 4, 4, 5, 6, 7, 8, 10, 11, 12, 13, 15, 17, 19, 20, 22, 24, 26, 28, 31, 33, 35, 37, 40, 43, 46, 48, 51, 54, 57, 60, 64, 67, 70, 73, 77, 81, 85, 88, 92, 96, 100, 104, 109, 113, 117, 121, 126, 131, 136, 140, 145, 150, 155, 160, 166]

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

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