n | a(n) |
---|---|
1 | 2 |
2 | 11 |
3 | 59 |
4 | 338 |
5 | 1917 |
6 | 10893 |
7 | 61880 |
8 | 351541 |
9 | 1997095 |
10 | 11345458 |
11 | 64453321 |
12 | 366158041 |
13 | 2080136592 |
14 | 11817214849 |
15 | 67133363931 |
16 | 381383313234 |
17 | 2166631062437 |
18 | 12308588230773 |
19 | 69924846394792 |
20 | 397241669934877 |
21 | 2256722073320511 |
[2,11,59,338,1917,10893,61880,351541,1997095, 11345458,64453321,366158041,2080136592, 11817214849,67133363931,381383313234, 2166631062437,12308588230773,69924846394792, 397241669934877,2256722073320511] |