n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 9 |
6 | 97 |
7 | 983 |
8 | 10616 |
9 | 119932 |
10 | 1441405 |
11 | 18383351 |
12 | 249155667 |
13 | 3581896559 |
14 | 54540748818 |
15 | 877824410030 |
16 | 14904605652001 |
17 | 266431586957773 |
18 | 5004557444810885 |
19 | 98594548150006583 |
20 | 2033673324306909868 |
21 | 43845407809459639440 |
22 | 986496730691143433269 |
[0,0,0,0,1,9,97,983,10616,119932,1441405,18383351, 249155667,3581896559,54540748818,877824410030, 14904605652001,266431586957773,5004557444810885, 98594548150006583,2033673324306909868, 43845407809459639440,986496730691143433269] |