n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 14 |
5 | 31 |
6 | 73 |
7 | 160 |
8 | 357 |
9 | 814 |
10 | 1836 |
11 | 4140 |
12 | 9379 |
13 | 21163 |
14 | 47769 |
15 | 107940 |
16 | 243763 |
17 | 550469 |
18 | 1243468 |
19 | 2808345 |
20 | 6342601 |
21 | 14325494 |
22 | 32354798 |
23 | 73074320 |
24 | 165043749 |
25 | 372759852 |
26 | 841897006 |
27 | 1901473298 |
28 | 4294581633 |
29 | 9699541870 |
30 | 21906956858 |
[1,2,6,14,31,73,160,357,814,1836,4140,9379,21163, 47769,107940,243763,550469,1243468,2808345, 6342601,14325494,32354798,73074320,165043749, 372759852,841897006,1901473298,4294581633, 9699541870,21906956858] |