n | a(n) |
---|---|
1 | 2 |
2 | 2 |
3 | 4 |
4 | 4 |
5 | 24 |
6 | 24 |
7 | 96 |
8 | 288 |
9 | 2880 |
10 | 2880 |
11 | 34560 |
12 | 34560 |
13 | 483840 |
14 | 7257600 |
15 | 58060800 |
16 | 58060800 |
17 | 1045094400 |
18 | 1045094400 |
19 | 20901888000 |
20 | 438939648000 |
21 | 9656672256000 |
22 | 9656672256000 |
23 | 231760134144000 |
24 | 1158800670720000 |
25 | 30128817438720000 |
26 | 271159356948480000 |
[2,2,4,4,24,24,96,288,2880,2880,34560,34560, 483840,7257600,58060800,58060800,1045094400, 1045094400,20901888000,438939648000,9656672256000, 9656672256000,231760134144000,1158800670720000, 30128817438720000,271159356948480000] |