n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 14 |
4 | 274 |
5 | 2315 |
6 | 11866 |
7 | 44821 |
8 | 137859 |
9 | 365604 |
10 | 866530 |
11 | 1880131 |
12 | 3798191 |
13 | 7233304 |
14 | 13108109 |
15 | 22769020 |
16 | 38128546 |
17 | 61840611 |
18 | 97513599 |
19 | 149966164 |
20 | 225531160 |
21 | 332413361 |
22 | 481106956 |
23 | 684879119 |
[0,1,14,274,2315,11866,44821,137859,365604,866530, 1880131,3798191,7233304,13108109,22769020, 38128546,61840611,97513599,149966164,225531160, 332413361,481106956,684879119] |