n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 36 |
5 | 168 |
6 | 961 |
7 | 6403 |
8 | 49302 |
9 | 430190 |
10 | 4199279 |
11 | 45326013 |
12 | 535867338 |
13 | 6884000262 |
14 | 95453970483 |
15 | 1420538043009 |
16 | 22579098396600 |
17 | 381704267100888 |
18 | 6837775526561031 |
19 | 129377310771795789 |
20 | 2578101967764973314 |
21 | 53965231260126083854 |
22 | 1183813954026245944519 |
[1,1,3,9,36,168,961,6403,49302,430190,4199279, 45326013,535867338,6884000262,95453970483, 1420538043009,22579098396600,381704267100888, 6837775526561031,129377310771795789, 2578101967764973314,53965231260126083854, 1183813954026245944519] |