n | a(n) |
---|---|
1 | 2 |
2 | 18 |
3 | 163 |
4 | 1469 |
5 | 13221 |
6 | 118990 |
7 | 1070912 |
8 | 9638208 |
9 | 86743873 |
10 | 780694859 |
11 | 7026253731 |
12 | 63236283580 |
13 | 569126552222 |
14 | 5122138969998 |
15 | 46099250729983 |
16 | 414893256569849 |
17 | 3734039309128641 |
18 | 33606353782157770 |
19 | 302457184039419932 |
20 | 2722114656354779388 |
[2,18,163,1469,13221,118990,1070912,9638208, 86743873,780694859,7026253731,63236283580, 569126552222,5122138969998,46099250729983, 414893256569849,3734039309128641, 33606353782157770,302457184039419932, 2722114656354779388] |