n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 22 |
4 | 99 |
5 | 471 |
6 | 2386 |
7 | 12867 |
8 | 73681 |
9 | 446620 |
10 | 2856457 |
11 | 19217243 |
12 | 135610448 |
13 | 1001159901 |
14 | 7714225057 |
15 | 61904585510 |
16 | 516347066551 |
17 | 4468588592739 |
18 | 40058673825258 |
19 | 371421499686007 |
20 | 3556976106133821 |
21 | 35138574378189700 |
22 | 357654857584636597 |
23 | 3746672593640388775 |
[0,1,5,22,99,471,2386,12867,73681,446620,2856457, 19217243,135610448,1001159901,7714225057, 61904585510,516347066551,4468588592739, 40058673825258,371421499686007,3556976106133821, 35138574378189700,357654857584636597, 3746672593640388775] |