n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 9 |
4 | 95 |
5 | 1220 |
6 | 18694 |
7 | 334369 |
8 | 6852460 |
9 | 158479488 |
10 | 4085349936 |
11 | 116193701393 |
12 | 3615197586912 |
13 | 122165572502324 |
14 | 4456126288810624 |
15 | 174520484866919385 |
16 | 7304657490838627072 |
17 | 325420940777809245152 |
18 | 15374940186972235659264 |
19 | 767898500931828204443769 |
[0,1,9,95,1220,18694,334369,6852460,158479488, 4085349936,116193701393,3615197586912, 122165572502324,4456126288810624, 174520484866919385,7304657490838627072, 325420940777809245152,15374940186972235659264, 767898500931828204443769] |