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.

A114208 Number of permutations of [n] having exactly one fixed point and avoiding the patterns 123 and 231.

Table of values

n a(n)
1 1
2 0
3 3
4 2
5 6
6 6
7 12
8 10
9 21
10 16
11 31
12 24
13 44
14 32
15 60
16 42
17 77
18 54
19 97
20 66
21 120
22 80
23 144
24 96
25 171
26 112
27 201
28 130
29 232
30 150
31 266
32 170
33 303
34 192
35 341
36 216
37 382
38 240
39 426
40 266
41 471
42 294
43 519
44 322
45 570
46 352
47 622
48 384
49 677
50 416
51 735
52 450
53 794
54 486
55 856
56 522
57 921
58 560

List of values

[1, 0, 3, 2, 6, 6, 12, 10, 21, 16, 31, 24, 44, 32, 60, 42, 77, 54, 97, 66, 120, 80, 144, 96, 171, 112, 201, 130, 232, 150, 266, 170, 303, 192, 341, 216, 382, 240, 426, 266, 471, 294, 519, 322, 570, 352, 622, 384, 677, 416, 735, 450, 794, 486, 856, 522, 921, 560]

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

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