n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 16 |
4 | 141 |
5 | 1534 |
6 | 19111 |
7 | 262103 |
8 | 3853373 |
9 | 59763670 |
10 | 966945204 |
11 | 16191250596 |
12 | 278933800080 |
13 | 4921604827876 |
14 | 88627915588351 |
15 | 1624349874930925 |
16 | 30231112607904743 |
17 | 570284342486800214 |
18 | 10887435073866747752 |
19 | 210086404047975194316 |
20 | 4092940691144348506396 |
21 | 80432925119259253535963 |
[1,1,3,16,141,1534,19111,262103,3853373,59763670, 966945204,16191250596,278933800080,4921604827876, 88627915588351,1624349874930925,30231112607904743, 570284342486800214,10887435073866747752, 210086404047975194316,4092940691144348506396, 80432925119259253535963] |