n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 38 |
4 | 229 |
5 | 1349 |
6 | 7894 |
7 | 46122 |
8 | 269607 |
9 | 1578035 |
10 | 9251060 |
11 | 54322938 |
12 | 319502765 |
13 | 1882040458 |
14 | 11102029850 |
15 | 65576732025 |
16 | 387817554915 |
17 | 2296120266390 |
18 | 13608607411660 |
19 | 80732861599612 |
20 | 479372928880782 |
[1,6,38,229,1349,7894,46122,269607,1578035, 9251060,54322938,319502765,1882040458,11102029850, 65576732025,387817554915,2296120266390, 13608607411660,80732861599612,479372928880782] |