n | a(n) |
---|---|
2 | 1 |
3 | 14 |
4 | 159 |
5 | 1680 |
6 | 17147 |
7 | 171612 |
8 | 1696491 |
9 | 16631840 |
10 | 162090756 |
11 | 1572801142 |
12 | 15210259585 |
13 | 146710561296 |
14 | 1412132981778 |
15 | 13569013500024 |
16 | 130199055578307 |
17 | 1247825314752768 |
18 | 11947157409479180 |
19 | 114288613130155608 |
20 | 1092495810452593564 |
21 | 10436544808441964352 |
[1,14,159,1680,17147,171612,1696491,16631840, 162090756,1572801142,15210259585,146710561296, 1412132981778,13569013500024,130199055578307, 1247825314752768,11947157409479180, 114288613130155608,1092495810452593564, 10436544808441964352] |