n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 8 |
3 | 57 |
4 | 449 |
5 | 3193 |
6 | 25145 |
7 | 178809 |
8 | 1391314 |
9 | 9996498 |
10 | 76955586 |
11 | 552257546 |
12 | 4255024523 |
13 | 30502987019 |
14 | 232969386483 |
15 | 1682476714724 |
16 | 12762937304013 |
17 | 92019035596293 |
18 | 698222541789109 |
19 | 5030814634614406 |
20 | 37955614705675479 |
21 | 274741644961416648 |
22 | 2061916926761604144 |
23 | 14909943849253537057 |
[1,1,8,57,449,3193,25145,178809,1391314,9996498, 76955586,552257546,4255024523,30502987019, 232969386483,1682476714724,12762937304013, 92019035596293,698222541789109,5030814634614406, 37955614705675479,274741644961416648, 2061916926761604144,14909943849253537057] |