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n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 36 |
3 | 264 |
4 | 1944 |
5 | 14328 |
6 | 105624 |
7 | 778680 |
8 | 5740632 |
9 | 42321528 |
10 | 312006168 |
11 | 2300197176 |
12 | 16957700568 |
13 | 125016939000 |
14 | 921660044184 |
15 | 6794737129656 |
16 | 50092713636696 |
17 | 369297577174392 |
18 | 2722565630929176 |
19 | 20071519752269880 |
20 | 147972890199278808 |
21 | 1090897774766270712 |
[1,5,36,264,1944,14328,105624,778680,5740632, 42321528,312006168,2300197176,16957700568, 125016939000,921660044184,6794737129656, 50092713636696,369297577174392,2722565630929176, 20071519752269880,147972890199278808, 1090897774766270712] |