n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 6 |
4 | 14 |
5 | 36 |
6 | 94 |
7 | 250 |
8 | 675 |
9 | 1832 |
10 | 5005 |
11 | 13746 |
12 | 37901 |
13 | 104902 |
14 | 291312 |
15 | 811346 |
16 | 2265905 |
17 | 6343854 |
18 | 17801383 |
19 | 50057400 |
20 | 141034248 |
21 | 398070362 |
22 | 1125426581 |
23 | 3186725646 |
24 | 9036406687 |
25 | 25658313188 |
26 | 72946289247 |
27 | 207628101578 |
28 | 591622990214 |
29 | 1687527542874 |
30 | 4818113792640 |
[2,3,6,14,36,94,250,675,1832,5005,13746,37901, 104902,291312,811346,2265905,6343854,17801383, 50057400,141034248,398070362,1125426581, 3186725646,9036406687,25658313188,72946289247, 207628101578,591622990214,1687527542874, 4818113792640] |