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.

A033148 Number of rotationally symmetric solutions for queens on n X n board.

Table of values

n a(n)
1 1
2 0
3 0
4 2
5 2
6 0
7 0
8 0
9 0
10 0
11 0
12 8
13 8
14 0
15 0
16 64
17 128
18 0
19 0
20 480
21 704
22 0
23 0
24 3328
25 3264
26 0
27 0
28 32896
29 43776
30 0
31 0
32 406784
33 667904
34 0
35 0
36 5845504
37 8650752
38 0
39 0
40 77184000
41 101492736
42 0
43 0
44 1261588480
45 1795233792
46 0
47 0
48 21517426688
49 35028172800
50 0
51 0
52 406875119616
53 652044443648
54 0
55 0
56 8613581094912
57 12530550128640
58 0
59 0
60 194409626533888
61 291826098503680
62 0
63 0

List of values

[1, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 8, 8, 0, 0, 64, 128, 0, 0, 480, 704, 0, 0, 3328, 3264, 0, 0, 32896, 43776, 0, 0, 406784, 667904, 0, 0, 5845504, 8650752, 0, 0, 77184000, 101492736, 0, 0, 1261588480, 1795233792, 0, 0, 21517426688, 35028172800, 0, 0, 406875119616, 652044443648, 0, 0, 8613581094912, 12530550128640, 0, 0, 194409626533888, 291826098503680, 0, 0]

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

Content is available under The OEIS End-User License Agreement.