n | a(n) |
---|---|
1 | 2 |
2 | 5 |
3 | 12 |
4 | 29 |
5 | 71 |
6 | 177 |
7 | 448 |
8 | 1147 |
9 | 2960 |
10 | 7679 |
11 | 19989 |
12 | 52145 |
13 | 136214 |
14 | 356121 |
15 | 931540 |
16 | 2437513 |
17 | 6379403 |
18 | 16698113 |
19 | 43710756 |
20 | 114427391 |
21 | 299560472 |
22 | 784236315 |
23 | 2053119817 |
24 | 5375076769 |
25 | 14072035466 |
26 | 36840908237 |
27 | 96450492828 |
28 | 252510252437 |
[2,5,12,29,71,177,448,1147,2960,7679,19989,52145, 136214,356121,931540,2437513,6379403,16698113, 43710756,114427391,299560472,784236315,2053119817, 5375076769,14072035466,36840908237,96450492828, 252510252437] |