n | a(n) |
---|---|
0 | 7 |
1 | 14 |
2 | 55 |
3 | 110 |
4 | 121 |
5 | 242 |
6 | 484 |
7 | 968 |
8 | 1837 |
9 | 9218 |
10 | 17347 |
11 | 91718 |
12 | 173437 |
13 | 907808 |
14 | 1716517 |
15 | 8872688 |
16 | 17735476 |
17 | 85189247 |
18 | 159487405 |
19 | 664272356 |
20 | 1317544822 |
21 | 3602001953 |
22 | 7193004016 |
23 | 13297007933 |
24 | 47267087164 |
25 | 93445163438 |
26 | 176881317877 |
27 | 955594506548 |
28 | 1801200002107 |
[7,14,55,110,121,242,484,968,1837,9218,17347, 91718,173437,907808,1716517,8872688,17735476, 85189247,159487405,664272356,1317544822, 3602001953,7193004016,13297007933,47267087164, 93445163438,176881317877,955594506548, 1801200002107] |