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.

A106352 Number of compositions of n into 3 parts such that no two adjacent parts are equal.

Table of values

n a(n)
4 1
5 2
6 7
7 9
8 15
9 21
10 28
11 35
12 46
13 54
14 66
15 78
16 91
17 104
18 121
19 135
20 153
21 171
22 190
23 209
24 232
25 252
26 276
27 300
28 325
29 350
30 379
31 405
32 435
33 465
34 496
35 527
36 562
37 594
38 630
39 666
40 703
41 740
42 781
43 819
44 861
45 903
46 946
47 989
48 1036
49 1080
50 1128
51 1176
52 1225
53 1274
54 1327
55 1377
56 1431

List of values

[1, 2, 7, 9, 15, 21, 28, 35, 46, 54, 66, 78, 91, 104, 121, 135, 153, 171, 190, 209, 232, 252, 276, 300, 325, 350, 379, 405, 435, 465, 496, 527, 562, 594, 630, 666, 703, 740, 781, 819, 861, 903, 946, 989, 1036, 1080, 1128, 1176, 1225, 1274, 1327, 1377, 1431]