n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 29 |
4 | 98 |
5 | 342 |
6 | 1221 |
7 | 4433 |
8 | 16302 |
9 | 60554 |
10 | 226746 |
11 | 854658 |
12 | 3239044 |
13 | 12332140 |
14 | 47137005 |
15 | 180780345 |
16 | 695367510 |
17 | 2681600130 |
18 | 10364759790 |
19 | 40142121030 |
20 | 155748675420 |
21 | 605274171060 |
22 | 2355676013730 |
23 | 9180275261274 |
24 | 35819645937228 |
[1,3,9,29,98,342,1221,4433,16302,60554,226746, 854658,3239044,12332140,47137005,180780345, 695367510,2681600130,10364759790,40142121030, 155748675420,605274171060,2355676013730, 9180275261274,35819645937228] |