n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 8 |
5 | 32 |
6 | 167 |
7 | 947 |
8 | 6974 |
9 | 53426 |
10 | 454682 |
11 | 4303532 |
12 | 50366912 |
13 | 553031624 |
14 | 6760260236 |
15 | 90333982832 |
16 | 1369522152392 |
17 | 20986020606632 |
18 | 350528387240264 |
19 | 5751957395258096 |
20 | 111685506968916032 |
21 | 2139383543480892032 |
22 | 41770889787378732752 |
23 | 869742098042083451264 |
[1,1,2,8,32,167,947,6974,53426,454682,4303532, 50366912,553031624,6760260236,90333982832, 1369522152392,20986020606632,350528387240264, 5751957395258096,111685506968916032, 2139383543480892032,41770889787378732752, 869742098042083451264] |