n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 7 |
3 | 15 |
4 | 32 |
5 | 70 |
6 | 156 |
7 | 349 |
8 | 778 |
9 | 1728 |
10 | 3833 |
11 | 8505 |
12 | 18884 |
13 | 41943 |
14 | 93160 |
15 | 206897 |
16 | 459459 |
17 | 1020311 |
18 | 2265815 |
19 | 5031792 |
20 | 11174374 |
21 | 24815508 |
22 | 55108933 |
23 | 122382762 |
24 | 271780616 |
25 | 603555049 |
26 | 1340341377 |
27 | 2976555532 |
28 | 6610168495 |
29 | 14679492624 |
[1,3,7,15,32,70,156,349,778,1728,3833,8505,18884, 41943,93160,206897,459459,1020311,2265815,5031792, 11174374,24815508,55108933,122382762,271780616, 603555049,1340341377,2976555532,6610168495, 14679492624] |