n | a(n) |
---|---|
1 | 1 |
2 | 8 |
3 | 39 |
4 | 132 |
5 | 389 |
6 | 1095 |
7 | 3107 |
8 | 8790 |
9 | 24449 |
10 | 66724 |
11 | 179212 |
12 | 475169 |
13 | 1247181 |
14 | 3249223 |
15 | 8420475 |
16 | 21735923 |
17 | 55926076 |
18 | 143501956 |
19 | 367381497 |
20 | 938864371 |
21 | 2396062211 |
22 | 6108616160 |
23 | 15560958273 |
[1,8,39,132,389,1095,3107,8790,24449,66724,179212, 475169,1247181,3249223,8420475,21735923,55926076, 143501956,367381497,938864371,2396062211, 6108616160,15560958273] |