n | a(n) |
---|---|
0 | 1 |
1 | 12 |
2 | 198 |
3 | 3780 |
4 | 78489 |
5 | 1721412 |
6 | 39234780 |
7 | 920140884 |
8 | 22059787860 |
9 | 538209747504 |
10 | 13319611953102 |
11 | 333555996632508 |
12 | 8436806028184590 |
13 | 215223666947011800 |
14 | 5530993034609017080 |
15 | 143057705860198877940 |
16 | 3721183384198820225004 |
17 | 97282669559237767849104 |
[1,12,198,3780,78489,1721412,39234780,920140884, 22059787860,538209747504,13319611953102, 333555996632508,8436806028184590, 215223666947011800,5530993034609017080, 143057705860198877940,3721183384198820225004, 97282669559237767849104] |