n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 18 |
5 | 66 |
6 | 266 |
7 | 1111 |
8 | 4792 |
9 | 21124 |
10 | 94888 |
11 | 432415 |
12 | 1994828 |
13 | 9296712 |
14 | 43706722 |
15 | 207030398 |
16 | 987130456 |
17 | 4733961435 |
18 | 22819241034 |
19 | 110500644857 |
20 | 537295738556 |
21 | 2622248720234 |
22 | 12840953621208 |
23 | 63074566121245 |
24 | 310693364823376 |
25 | 1534374047239554 |
26 | 7595642577152762 |
[1,2,5,18,66,266,1111,4792,21124,94888,432415, 1994828,9296712,43706722,207030398,987130456, 4733961435,22819241034,110500644857,537295738556, 2622248720234,12840953621208,63074566121245, 310693364823376,1534374047239554,7595642577152762] |