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.

A116728 Number of permutations of length n which avoid the patterns 321, 1243, 2134.

Table of values

n a(n)
1 1
2 2
3 5
4 12
5 19
6 26
7 33
8 40
9 47
10 54
11 61
12 68
13 75
14 82
15 89
16 96
17 103
18 110
19 117
20 124
21 131
22 138
23 145
24 152
25 159
26 166
27 173
28 180
29 187
30 194
31 201
32 208
33 215
34 222
35 229
36 236
37 243
38 250
39 257
40 264
41 271
42 278
43 285
44 292
45 299
46 306
47 313
48 320
49 327
50 334
51 341
52 348
53 355
54 362
55 369

List of values

[1, 2, 5, 12, 19, 26, 33, 40, 47, 54, 61, 68, 75, 82, 89, 96, 103, 110, 117, 124, 131, 138, 145, 152, 159, 166, 173, 180, 187, 194, 201, 208, 215, 222, 229, 236, 243, 250, 257, 264, 271, 278, 285, 292, 299, 306, 313, 320, 327, 334, 341, 348, 355, 362, 369]