n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 4 |
5 | 1 |
6 | 71 |
7 | 106 |
8 | 1051 |
9 | 2759 |
10 | 19552 |
11 | 51041 |
12 | 864579 |
13 | 3134132 |
14 | 34990671 |
15 | 211464345 |
16 | 1832236004 |
17 | 11261632321 |
18 | 109973219879 |
19 | 659853699654 |
20 | 8379292553185 |
21 | 58134013363151 |
22 | 676374746166550 |
23 | 5912498819726335 |
24 | 71622214447120275 |
25 | 658455096592878092 |
[1,0,1,1,4,1,71,106,1051,2759,19552,51041,864579, 3134132,34990671,211464345,1832236004,11261632321, 109973219879,659853699654,8379292553185, 58134013363151,676374746166550,5912498819726335, 71622214447120275,658455096592878092] |