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.

A035620 Number of partitions of n into parts 3k+1 and 3k+2 with at least one part of each type.

Table of values

n a(n)
1 0
2 0
3 1
4 1
5 2
6 4
7 5
8 7
9 11
10 14
11 19
12 26
13 33
14 43
15 55
16 70
17 88
18 111
19 137
20 170
21 208
22 256
23 311
24 378
25 456
26 551
27 658
28 790
29 940
30 1119
31 1325
32 1570
33 1847
34 2179
35 2554
36 2996
37 3499
38 4088
39 4753
40 5533
41 6414
42 7436
43 8593
44 9931
45 11439
46 13180
47 15140
48 17391
49 19926
50 22827

List of values

[0, 0, 1, 1, 2, 4, 5, 7, 11, 14, 19, 26, 33, 43, 55, 70, 88, 111, 137, 170, 208, 256, 311, 378, 456, 551, 658, 790, 940, 1119, 1325, 1570, 1847, 2179, 2554, 2996, 3499, 4088, 4753, 5533, 6414, 7436, 8593, 9931, 11439, 13180, 15140, 17391, 19926, 22827]