n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 21 |
5 | 1 |
6 | 1 |
7 | 421 |
8 | 421 |
9 | 1 |
10 | 1 |
11 | 8421 |
12 | 168821 |
13 | 8421 |
14 | 1 |
15 | 1 |
16 | 168421 |
17 | 67536821 |
18 | 67536821 |
19 | 168421 |
20 | 1 |
21 | 1 |
22 | 3368421 |
23 | 27014896821 |
24 | 540362104821 |
25 | 27014896821 |
26 | 3368421 |
27 | 1 |
28 | 1 |
29 | 67368421 |
30 | 10805962096821 |
31 | 4322923853464821 |
[1,1,1,1,21,1,1,421,421,1,1,8421,168821,8421,1,1, 168421,67536821,67536821,168421,1,1,3368421, 27014896821,540362104821,27014896821,3368421,1,1, 67368421,10805962096821,4322923853464821] |