n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 8 |
5 | 16 |
6 | 36 |
7 | 80 |
8 | 194 |
9 | 506 |
10 | 1449 |
11 | 4631 |
12 | 17106 |
13 | 74820 |
14 | 404283 |
15 | 2815595 |
16 | 26390082 |
17 | 344330452 |
18 | 6365590987 |
19 | 167062019455 |
20 | 6182453531508 |
21 | 319847262335488 |
22 | 22968149462624180 |
23 | 2277881694784784852 |
[1,2,4,8,16,36,80,194,506,1449,4631,17106,74820, 404283,2815595,26390082,344330452,6365590987, 167062019455,6182453531508,319847262335488, 22968149462624180,2277881694784784852] |