n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 6 |
5 | 18 |
6 | 21 |
7 | 84 |
8 | 88 |
9 | 440 |
10 | 445 |
11 | 2670 |
12 | 2676 |
13 | 18732 |
14 | 18739 |
15 | 149912 |
16 | 149920 |
17 | 1349280 |
18 | 1349289 |
19 | 13492890 |
20 | 13492900 |
21 | 148421900 |
22 | 148421911 |
23 | 1781062932 |
24 | 1781062944 |
25 | 23153818272 |
26 | 23153818285 |
27 | 324153455990 |
28 | 324153456004 |
29 | 4862301840060 |
30 | 4862301840075 |
31 | 77796829441200 |
[1,1,2,4,6,18,21,84,88,440,445,2670,2676,18732, 18739,149912,149920,1349280,1349289,13492890, 13492900,148421900,148421911,1781062932, 1781062944,23153818272,23153818285,324153455990, 324153456004,4862301840060,4862301840075, 77796829441200] |