n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 14 |
4 | 70 |
5 | 363 |
6 | 1925 |
7 | 10364 |
8 | 56412 |
9 | 309605 |
10 | 1710247 |
11 | 9496746 |
12 | 52960674 |
13 | 296408847 |
14 | 1663998345 |
15 | 9365980152 |
16 | 52837614456 |
17 | 298676661129 |
18 | 1691325089867 |
19 | 9592607927750 |
20 | 54482777049918 |
21 | 309837754937843 |
22 | 1764046900535053 |
23 | 10054065679046004 |
24 | 57357471874390100 |
[0,1,3,14,70,363,1925,10364,56412,309605,1710247, 9496746,52960674,296408847,1663998345,9365980152, 52837614456,298676661129,1691325089867, 9592607927750,54482777049918,309837754937843, 1764046900535053,10054065679046004, 57357471874390100] |