n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 7 |
4 | 47 |
5 | 368 |
6 | 3494 |
7 | 38673 |
8 | 489341 |
9 | 6966344 |
10 | 110199090 |
11 | 1917589771 |
12 | 36402276107 |
13 | 748629861016 |
14 | 16580304397942 |
15 | 393443385034069 |
16 | 9958671117295737 |
17 | 267824225078212336 |
18 | 7626444798009902530 |
19 | 229232204568273395919 |
20 | 7252798333599466521575 |
21 | 240948882537990850397536 |
[1,0,2,7,47,368,3494,38673,489341,6966344, 110199090,1917589771,36402276107,748629861016, 16580304397942,393443385034069,9958671117295737, 267824225078212336,7626444798009902530, 229232204568273395919,7252798333599466521575, 240948882537990850397536] |