n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 5 |
4 | 22 |
5 | 92 |
6 | 415 |
7 | 1927 |
8 | 9198 |
9 | 44804 |
10 | 221880 |
11 | 1113730 |
12 | 5653747 |
13 | 28975962 |
14 | 149725355 |
15 | 779178092 |
16 | 4080167790 |
17 | 21483383992 |
18 | 113670233848 |
19 | 604070682354 |
20 | 3222823434608 |
21 | 17255628041720 |
22 | 92689459311470 |
23 | 499359484166994 |
24 | 2697571066055611 |
25 | 14608820993453132 |
[1,0,2,5,22,92,415,1927,9198,44804,221880,1113730, 5653747,28975962,149725355,779178092,4080167790, 21483383992,113670233848,604070682354, 3222823434608,17255628041720,92689459311470, 499359484166994,2697571066055611, 14608820993453132] |