n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 14 |
6 | 62 |
7 | 422 |
8 | 4182 |
9 | 63228 |
10 | 1469976 |
11 | 53456724 |
12 | 3070947684 |
13 | 281012112132 |
14 | 41181274957380 |
15 | 9701178631343304 |
16 | 3682464921740427408 |
17 | 2255878665570796559928 |
18 | 2232433139398395667219512 |
[1,1,1,2,4,14,62,422,4182,63228,1469976,53456724, 3070947684,281012112132,41181274957380, 9701178631343304,3682464921740427408, 2255878665570796559928,2232433139398395667219512] |