n | a(n) |
---|---|
1 | 7 |
2 | 49 |
3 | 269 |
4 | 1279 |
5 | 5648 |
6 | 24095 |
7 | 101412 |
8 | 425246 |
9 | 1783229 |
10 | 7484923 |
11 | 31443217 |
12 | 132153826 |
13 | 555559627 |
14 | 2335689630 |
15 | 9819848422 |
16 | 41284852413 |
17 | 173569002429 |
18 | 729710418743 |
19 | 3067802281464 |
20 | 12897441557475 |
21 | 54222509714920 |
[7,49,269,1279,5648,24095,101412,425246,1783229, 7484923,31443217,132153826,555559627,2335689630, 9819848422,41284852413,173569002429,729710418743, 3067802281464,12897441557475,54222509714920] |