n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 21 |
4 | 9 |
5 | -297 |
6 | -2421 |
7 | -12933 |
8 | -52407 |
9 | -145293 |
10 | -35091 |
11 | 2954097 |
12 | 25228971 |
13 | 142080669 |
14 | 602217261 |
15 | 1724917221 |
16 | 283305033 |
17 | -38852066421 |
18 | -337425235479 |
19 | -1938308236731 |
20 | -8364863310291 |
21 | -24286959061533 |
22 | -3011589296289 |
23 | 574023003011199 |
24 | 5028616107443691 |
[1,3,9,21,9,-297,-2421,-12933,-52407,-145293, -35091,2954097,25228971,142080669,602217261, 1724917221,283305033,-38852066421,-337425235479, -1938308236731,-8364863310291,-24286959061533, -3011589296289,574023003011199,5028616107443691] |