n | a(n) |
---|---|
1 | 7 |
2 | 49 |
3 | 219 |
4 | 908 |
5 | 3642 |
6 | 14265 |
7 | 54914 |
8 | 209116 |
9 | 790202 |
10 | 2970663 |
11 | 11127947 |
12 | 41582147 |
13 | 155115627 |
14 | 577944508 |
15 | 2151567661 |
16 | 8005167634 |
17 | 29772011406 |
18 | 110693241831 |
19 | 411477718640 |
20 | 1529360380741 |
21 | 5683684052119 |
22 | 21121242014609 |
23 | 78485142931206 |
[7,49,219,908,3642,14265,54914,209116,790202, 2970663,11127947,41582147,155115627,577944508, 2151567661,8005167634,29772011406,110693241831, 411477718640,1529360380741,5683684052119, 21121242014609,78485142931206] |