n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 33 |
5 | 116 |
6 | 516 |
7 | 2063 |
8 | 9554 |
9 | 40942 |
10 | 194045 |
11 | 867281 |
12 | 4170657 |
13 | 19162172 |
14 | 93044027 |
15 | 435704224 |
16 | 2129890888 |
17 | 10110771458 |
18 | 49665401778 |
19 | 238154054194 |
20 | 1174043836070 |
21 | 5672872958902 |
22 | 28041860704509 |
23 | 136297267469379 |
24 | 675146477214983 |
25 | 3296794913796290 |
26 | 16357334853181910 |
27 | 80170121258985704 |
[1,1,3,8,33,116,516,2063,9554,40942,194045,867281, 4170657,19162172,93044027,435704224,2129890888, 10110771458,49665401778,238154054194, 1174043836070,5672872958902,28041860704509, 136297267469379,675146477214983,3296794913796290, 16357334853181910,80170121258985704] |