n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 29 |
5 | 103 |
6 | 393 |
7 | 1523 |
8 | 5985 |
9 | 24617 |
10 | 102357 |
11 | 430363 |
12 | 1838761 |
13 | 7931043 |
14 | 34615153 |
15 | 152208659 |
16 | 673421637 |
17 | 3003153451 |
18 | 13464915837 |
19 | 60712552141 |
20 | 275067241835 |
21 | 1251061909991 |
22 | 5715825705399 |
23 | 26206169918477 |
24 | 120562798767589 |
25 | 556428210284773 |
26 | 2574906598392645 |
27 | 11950271335525375 |
28 | 55598176180817699 |
[1,1,3,9,29,103,393,1523,5985,24617,102357,430363, 1838761,7931043,34615153,152208659,673421637, 3003153451,13464915837,60712552141,275067241835, 1251061909991,5715825705399,26206169918477, 120562798767589,556428210284773,2574906598392645, 11950271335525375,55598176180817699] |