n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 4 |
5 | 11 |
6 | 28 |
7 | 79 |
8 | 284 |
9 | 1363 |
10 | 8356 |
11 | 61583 |
12 | 523924 |
13 | 5024179 |
14 | 53479148 |
15 | 624890431 |
16 | 7946278828 |
17 | 109195935539 |
18 | 1612048228564 |
19 | 25439293045903 |
20 | 427278358483556 |
21 | 7609502950269523 |
22 | 143217213477235804 |
23 | 2840152418116022399 |
[0,0,0,1,4,11,28,79,284,1363,8356,61583,523924, 5024179,53479148,624890431,7946278828, 109195935539,1612048228564,25439293045903, 427278358483556,7609502950269523, 143217213477235804,2840152418116022399] |