n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 22 |
3 | 152 |
4 | 1161 |
5 | 9460 |
6 | 80550 |
7 | 708172 |
8 | 6379368 |
9 | 58576168 |
10 | 546215580 |
11 | 5158542152 |
12 | 49239812893 |
13 | 474285453628 |
14 | 4604149947276 |
15 | 44999181550032 |
16 | 442430807369519 |
17 | 4372944634271688 |
18 | 43425156714959956 |
19 | 433049078716727332 |
20 | 4334925824762251939 |
[1,4,22,152,1161,9460,80550,708172,6379368, 58576168,546215580,5158542152,49239812893, 474285453628,4604149947276,44999181550032, 442430807369519,4372944634271688, 43425156714959956,433049078716727332, 4334925824762251939] |