n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 24 |
5 | 77 |
6 | 141 |
7 | 778 |
8 | 1421 |
9 | 1435 |
10 | 1620 |
11 | 14220 |
12 | 15035 |
13 | 45453 |
14 | 148533 |
15 | 148546 |
16 | 249122 |
17 | 471404 |
18 | 791597 |
19 | 4497399 |
20 | 2580747997 |
21 | 47180737658 |
22 | 148411814220 |
23 | 244989930458 |
24 | 447283652733 |
25 | 1422190795997 |
26 | 2581981034024 |
[1,2,4,24,77,141,778,1421,1435,1620,14220,15035, 45453,148533,148546,249122,471404,791597,4497399, 2580747997,47180737658,148411814220,244989930458, 447283652733,1422190795997,2581981034024] |