n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 16 |
4 | 51 |
5 | 127 |
6 | 367 |
7 | 897 |
8 | 2342 |
9 | 5662 |
10 | 13894 |
11 | 32656 |
12 | 77076 |
13 | 176586 |
14 | 403526 |
15 | 904140 |
16 | 2013267 |
17 | 4418167 |
18 | 9628682 |
19 | 20741434 |
20 | 44362988 |
21 | 93984842 |
22 | 197731390 |
23 | 412619250 |
24 | 855408327 |
25 | 1760687593 |
26 | 3601827236 |
27 | 7321181534 |
28 | 14796204874 |
29 | 29730215150 |
30 | 59419375058 |
[1,1,6,16,51,127,367,897,2342,5662,13894,32656, 77076,176586,403526,904140,2013267,4418167, 9628682,20741434,44362988,93984842,197731390, 412619250,855408327,1760687593,3601827236, 7321181534,14796204874,29730215150,59419375058] |