n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 17 |
4 | 267 |
5 | 775 |
6 | 6243 |
7 | 19633 |
8 | 638323 |
9 | 2102347 |
10 | 17152089 |
11 | 58229847 |
12 | 951653279 |
13 | 3301081251 |
14 | 26990925403 |
15 | 95148784113 |
16 | 6224368757699 |
17 | 22220020945651 |
18 | 181665332610589 |
19 | 655103413921211 |
20 | 10708565920929733 |
21 | 38938378760273881 |
[1,1,7,17,267,775,6243,19633,638323,2102347, 17152089,58229847,951653279,3301081251, 26990925403,95148784113,6224368757699, 22220020945651,181665332610589,655103413921211, 10708565920929733,38938378760273881] |