n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 10 |
4 | 37 |
5 | 144 |
6 | 582 |
7 | 2418 |
8 | 10266 |
9 | 44353 |
10 | 194395 |
11 | 862308 |
12 | 3864100 |
13 | 17466055 |
14 | 79537815 |
15 | 364543920 |
16 | 1680205044 |
17 | 7782321357 |
18 | 36202366293 |
19 | 169056409476 |
20 | 792157776138 |
21 | 3723252477558 |
22 | 17548166926908 |
23 | 82913613567012 |
24 | 392650956009063 |
25 | 1863327440038659 |
26 | 8859299215070493 |
27 | 42196115735716894 |
28 | 201303626788647712 |
29 | 961803888607574670 |
[1,1,3,10,37,144,582,2418,10266,44353,194395, 862308,3864100,17466055,79537815,364543920, 1680205044,7782321357,36202366293,169056409476, 792157776138,3723252477558,17548166926908, 82913613567012,392650956009063,1863327440038659, 8859299215070493,42196115735716894, 201303626788647712,961803888607574670] |