n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 8 |
4 | 23 |
5 | 75 |
6 | 278 |
7 | 1154 |
8 | 5265 |
9 | 25913 |
10 | 135212 |
11 | 736704 |
12 | 4139831 |
13 | 23767895 |
14 | 138468210 |
15 | 814675838 |
16 | 4824766301 |
17 | 28699128501 |
18 | 171207852152 |
19 | 1023332115836 |
20 | 6124430348355 |
21 | 36684624841811 |
22 | 219860794899518 |
23 | 1318179574171578 |
[1,3,8,23,75,278,1154,5265,25913,135212,736704, 4139831,23767895,138468210,814675838,4824766301, 28699128501,171207852152,1023332115836, 6124430348355,36684624841811,219860794899518, 1318179574171578] |