n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 7 |
4 | 38 |
5 | 303 |
6 | 3424 |
7 | 53365 |
8 | 1121412 |
9 | 31197241 |
10 | 1131759944 |
11 | 52851880791 |
12 | 3141661092280 |
13 | 235381934211847 |
14 | 22034726000877312 |
15 | 2557207299577993717 |
16 | 365328083228276428304 |
17 | 63837414801921587915025 |
18 | 13564359864218330055841312 |
19 | 3485934653871954826576733959 |
[1,2,7,38,303,3424,53365,1121412,31197241, 1131759944,52851880791,3141661092280, 235381934211847,22034726000877312, 2557207299577993717,365328083228276428304, 63837414801921587915025, 13564359864218330055841312, 3485934653871954826576733959] |