n | a(n) |
---|---|
0 | 1 |
1 | 16 |
2 | 159 |
3 | 1260 |
4 | 8722 |
5 | 55152 |
6 | 326811 |
7 | 1844084 |
8 | 10015566 |
9 | 52754624 |
10 | 270976342 |
11 | 1362986520 |
12 | 6734927460 |
13 | 32775704608 |
14 | 157408497171 |
15 | 747269225028 |
16 | 3511471892470 |
17 | 16351481223840 |
18 | 75525932249922 |
19 | 346305571781224 |
[1,16,159,1260,8722,55152,326811,1844084,10015566, 52754624,270976342,1362986520,6734927460, 32775704608,157408497171,747269225028, 3511471892470,16351481223840,75525932249922, 346305571781224] |