n | a(n) |
---|---|
1 | 3 |
2 | 21 |
3 | 32 |
4 | 155 |
5 | 350 |
6 | 1001 |
7 | 2616 |
8 | 7926 |
9 | 21882 |
10 | 65134 |
11 | 190018 |
12 | 559868 |
13 | 1657078 |
14 | 4911800 |
15 | 14594042 |
16 | 43385463 |
17 | 129133814 |
18 | 384672503 |
19 | 1145753084 |
20 | 3415594783 |
21 | 10180797904 |
22 | 30355084163 |
23 | 90514426385 |
24 | 269916109949 |
25 | 804962375711 |
[3,21,32,155,350,1001,2616,7926,21882,65134, 190018,559868,1657078,4911800,14594042,43385463, 129133814,384672503,1145753084,3415594783, 10180797904,30355084163,90514426385,269916109949, 804962375711] |