n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 30 |
4 | 356 |
5 | 5925 |
6 | 129949 |
7 | 3609522 |
8 | 123202470 |
9 | 5047071210 |
10 | 243591826248 |
11 | 13646279320267 |
12 | 876457826851309 |
13 | 63867571888960931 |
14 | 5233393632259094223 |
15 | 478504806151155710490 |
16 | 48490898635782743083282 |
17 | 5414061277570448051139952 |
[1,1,4,30,356,5925,129949,3609522,123202470, 5047071210,243591826248,13646279320267, 876457826851309,63867571888960931, 5233393632259094223,478504806151155710490, 48490898635782743083282,5414061277570448051139952] |