Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
4 | 2 |
5 | 0 |
6 | 0 |
7 | 4 |
8 | 12 |
9 | 20 |
10 | 28 |
11 | 120 |
12 | 104 |
13 | 304 |
14 | 384 |
15 | 1304 |
16 | 1680 |
17 | 4936 |
18 | 5908 |
19 | 18304 |
20 | 21412 |
21 | 63440 |
22 | 76920 |
23 | 233248 |
24 | 281284 |
25 | 833720 |
26 | 990104 |
27 | 2993016 |
28 | 3523740 |
29 | 10485472 |
30 | 12432392 |
31 | 37485424 |
32 | 44184884 |
33 | 131430320 |
34 | 154630088 |
35 | 465106072 |
36 | 544994604 |
37 | 1622783328 |
38 | 1904647128 |
[2,0,0,4,12,20,28,120,104,304,384,1304,1680,4936, 5908,18304,21412,63440,76920,233248,281284,833720, 990104,2993016,3523740,10485472,12432392,37485424, 44184884,131430320,154630088,465106072,544994604, 1622783328,1904647128] |