n | a(n) |
---|---|
1 | 2 |
2 | 7 |
3 | 5 |
4 | 30 |
5 | 169 |
6 | 441 |
7 | 1872 |
8 | 7632 |
9 | 1740 |
10 | 93313 |
11 | 459901 |
12 | 1358657 |
13 | 2504881 |
14 | 13482720 |
15 | 25779600 |
16 | 68468401 |
17 | 610346880 |
18 | 1271932200 |
19 | 327280800 |
20 | 11605393800 |
21 | 10071626400 |
22 | 270022896000 |
23 | 212719197601 |
24 | 673534461600 |
25 | 80276676481 |
26 | 7618206526561 |
27 | 14227357636801 |
[2,7,5,30,169,441,1872,7632,1740,93313,459901, 1358657,2504881,13482720,25779600,68468401, 610346880,1271932200,327280800,11605393800, 10071626400,270022896000,212719197601, 673534461600,80276676481,7618206526561, 14227357636801] |