n | a(n) |
---|---|
1 | 8 |
2 | 18 |
3 | 42 |
4 | 90 |
5 | 192 |
6 | 394 |
7 | 806 |
8 | 1618 |
9 | 3244 |
10 | 6444 |
11 | 12798 |
12 | 25306 |
13 | 50056 |
14 | 98830 |
15 | 195252 |
16 | 385546 |
17 | 761880 |
18 | 1505776 |
19 | 2978372 |
20 | 5893812 |
21 | 11672100 |
22 | 23128778 |
23 | 45863610 |
24 | 91000330 |
25 | 180675314 |
26 | 358921836 |
27 | 713425574 |
28 | 1418791694 |
29 | 2822950098 |
30 | 5619290544 |
[8,18,42,90,192,394,806,1618,3244,6444,12798, 25306,50056,98830,195252,385546,761880,1505776, 2978372,5893812,11672100,23128778,45863610, 91000330,180675314,358921836,713425574,1418791694, 2822950098,5619290544] |