n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 8 |
5 | 28 |
6 | 143 |
7 | 933 |
8 | 7150 |
9 | 62310 |
10 | 607445 |
11 | 6545935 |
12 | 77232740 |
13 | 989893248 |
14 | 13692587323 |
15 | 203271723033 |
16 | 3223180454138 |
17 | 54362625941818 |
18 | 971708196867905 |
19 | 18347779304380995 |
20 | 364911199401630640 |
21 | 7624625589633857940 |
22 | 166977535317365068775 |
23 | 3824547112283439914893 |
24 | 91440772473772839055238 |
[1,1,3,8,28,143,933,7150,62310,607445,6545935, 77232740,989893248,13692587323,203271723033, 3223180454138,54362625941818,971708196867905, 18347779304380995,364911199401630640, 7624625589633857940,166977535317365068775, 3824547112283439914893,91440772473772839055238] |