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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.

A024787 Number of 3's in all partitions of n.

Table of values

n a(n)
1 0
2 0
3 1
4 1
5 2
6 4
7 6
8 9
9 15
10 21
11 31
12 45
13 63
14 87
15 122
16 164
17 222
18 298
19 395
20 519
21 683
22 885
23 1146
24 1475
25 1887
26 2401
27 3050
28 3845
29 4837
30 6060
31 7563
32 9402
33 11664
34 14405
35 17751
36 21807
37 26715
38 32634
39 39784
40 48352
41 58649
42 70969
43 85690
44 103232
45 124143
46 148951
47 178407
48 213277
49 254509

List of values

[0, 0, 1, 1, 2, 4, 6, 9, 15, 21, 31, 45, 63, 87, 122, 164, 222, 298, 395, 519, 683, 885, 1146, 1475, 1887, 2401, 3050, 3845, 4837, 6060, 7563, 9402, 11664, 14405, 17751, 21807, 26715, 32634, 39784, 48352, 58649, 70969, 85690, 103232, 124143, 148951, 178407, 213277, 254509]

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

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