n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 18 |
3 | 309 |
4 | 5828 |
5 | 123230 |
6 | 2913126 |
7 | 76405854 |
8 | 2205340936 |
9 | 69523722855 |
10 | 2377899710410 |
11 | 87721897714891 |
12 | 3472488925101516 |
13 | 146833416409808492 |
14 | 6605726035373765678 |
15 | 315051237815279406540 |
16 | 15879038919798268666896 |
17 | 843348814519524716426685 |
[0,1,18,309,5828,123230,2913126,76405854, 2205340936,69523722855,2377899710410, 87721897714891,3472488925101516, 146833416409808492,6605726035373765678, 315051237815279406540,15879038919798268666896, 843348814519524716426685] |