n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 12 |
4 | 26 |
5 | 66 |
6 | 160 |
7 | 386 |
8 | 946 |
9 | 2292 |
10 | 5582 |
11 | 13578 |
12 | 33016 |
13 | 80330 |
14 | 195370 |
15 | 475236 |
16 | 1155974 |
17 | 2811762 |
18 | 6839416 |
19 | 16636178 |
20 | 40466002 |
21 | 98429844 |
22 | 239421374 |
23 | 582370554 |
24 | 1416562360 |
25 | 3445657082 |
26 | 8381242522 |
27 | 20386597380 |
28 | 49588514390 |
29 | 120619477410 |
30 | 293395730296 |
[1,2,4,12,26,66,160,386,946,2292,5582,13578,33016, 80330,195370,475236,1155974,2811762,6839416, 16636178,40466002,98429844,239421374,582370554, 1416562360,3445657082,8381242522,20386597380, 49588514390,120619477410,293395730296] |