n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 28 |
4 | 105 |
5 | 384 |
6 | 1442 |
7 | 5388 |
8 | 20317 |
9 | 76712 |
10 | 290790 |
11 | 1104538 |
12 | 4205909 |
13 | 16044994 |
14 | 61322356 |
15 | 234739140 |
16 | 899911685 |
17 | 3454630372 |
18 | 13278582906 |
19 | 51098682962 |
20 | 196853475135 |
21 | 759139115962 |
22 | 2930340545406 |
23 | 11321631496180 |
24 | 43779660235746 |
25 | 169429224658130 |
[1,2,8,28,105,384,1442,5388,20317,76712,290790, 1104538,4205909,16044994,61322356,234739140, 899911685,3454630372,13278582906,51098682962, 196853475135,759139115962,2930340545406, 11321631496180,43779660235746,169429224658130] |