n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 18 |
6 | 22 |
7 | 74 |
8 | 173 |
9 | 350 |
10 | 627 |
11 | 1903 |
12 | 3980 |
13 | 11139 |
14 | 29437 |
15 | 72720 |
16 | 108312 |
17 | 337079 |
18 | 379735 |
19 | 988163 |
20 | 1354929 |
21 | 4458118 |
22 | 12200929 |
23 | 32148649 |
24 | 78234718 |
25 | 208109020 |
26 | 546549127 |
27 | 1108402372 |
28 | 3055896646 |
29 | 8105184898 |
30 | 8151267237 |
31 | 29457007624 |
[1,2,3,6,18,22,74,173,350,627,1903,3980,11139, 29437,72720,108312,337079,379735,988163,1354929, 4458118,12200929,32148649,78234718,208109020, 546549127,1108402372,3055896646,8105184898, 8151267237,29457007624] |