n | a(n) |
---|---|
0 | 2 |
1 | 3 |
2 | 7 |
3 | 22 |
4 | 89 |
5 | 446 |
6 | 2677 |
7 | 18740 |
8 | 149921 |
9 | 1349290 |
10 | 13492901 |
11 | 148421912 |
12 | 1781062945 |
13 | 23153818286 |
14 | 324153456005 |
15 | 4862301840076 |
16 | 77796829441217 |
17 | 1322546100500690 |
18 | 23805829809012421 |
19 | 452310766371236000 |
20 | 9046215327424720001 |
21 | 189970521875919120022 |
[2,3,7,22,89,446,2677,18740,149921,1349290, 13492901,148421912,1781062945,23153818286, 324153456005,4862301840076,77796829441217, 1322546100500690,23805829809012421, 452310766371236000,9046215327424720001, 189970521875919120022] |