n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 8 |
4 | 16 |
5 | 30 |
6 | 60 |
7 | 110 |
8 | 220 |
9 | 400 |
10 | 800 |
11 | 1450 |
12 | 2900 |
13 | 5250 |
14 | 10500 |
15 | 19000 |
16 | 38000 |
17 | 68750 |
18 | 137500 |
19 | 248750 |
20 | 497500 |
21 | 900000 |
22 | 1800000 |
23 | 3256250 |
24 | 6512500 |
25 | 11781250 |
26 | 23562500 |
27 | 42625000 |
28 | 85250000 |
29 | 154218750 |
30 | 308437500 |
31 | 557968750 |
32 | 1115937500 |
33 | 2018750000 |
34 | 4037500000 |
[1,2,4,8,16,30,60,110,220,400,800,1450,2900,5250, 10500,19000,38000,68750,137500,248750,497500, 900000,1800000,3256250,6512500,11781250,23562500, 42625000,85250000,154218750,308437500,557968750, 1115937500,2018750000,4037500000] |