n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 31 |
4 | 109 |
5 | 397 |
6 | 1430 |
7 | 5110 |
8 | 18395 |
9 | 66203 |
10 | 238103 |
11 | 856413 |
12 | 3081033 |
13 | 11083994 |
14 | 39873749 |
15 | 143444250 |
16 | 516038048 |
17 | 1856433397 |
18 | 6678469130 |
19 | 24025629692 |
20 | 86431623758 |
21 | 310935653685 |
22 | 1118583441105 |
23 | 4024076800534 |
24 | 14476518656548 |
[1,12,31,109,397,1430,5110,18395,66203,238103, 856413,3081033,11083994,39873749,143444250, 516038048,1856433397,6678469130,24025629692, 86431623758,310935653685,1118583441105, 4024076800534,14476518656548] |