n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 35 |
5 | 153 |
6 | 755 |
7 | 4105 |
8 | 24323 |
9 | 155513 |
10 | 1064851 |
11 | 7760745 |
12 | 59895203 |
13 | 487397849 |
14 | 4166564147 |
15 | 37298443977 |
16 | 348667014723 |
17 | 3395240969785 |
18 | 34365336725715 |
19 | 360837080222761 |
20 | 3923531021460707 |
21 | 44108832866004121 |
22 | 511948390801374835 |
23 | 6126363766802713481 |
[1,1,3,9,35,153,755,4105,24323,155513,1064851, 7760745,59895203,487397849,4166564147,37298443977, 348667014723,3395240969785,34365336725715, 360837080222761,3923531021460707, 44108832866004121,511948390801374835, 6126363766802713481] |