n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 2 |
4 | 4 |
5 | 6 |
6 | 8 |
7 | 18 |
8 | 20 |
9 | 56 |
10 | 48 |
11 | 178 |
12 | 132 |
13 | 574 |
14 | 348 |
15 | 1870 |
16 | 1008 |
17 | 6144 |
18 | 2812 |
19 | 20314 |
20 | 8420 |
21 | 67534 |
22 | 24396 |
23 | 225472 |
24 | 74756 |
25 | 755672 |
26 | 222556 |
27 | 2540406 |
28 | 693692 |
29 | 8564622 |
30 | 2107748 |
31 | 28941258 |
32 | 6656376 |
33 | 98011464 |
34 | 20548932 |
[1,2,2,4,6,8,18,20,56,48,178,132,574,348,1870, 1008,6144,2812,20314,8420,67534,24396,225472, 74756,755672,222556,2540406,693692,8564622, 2107748,28941258,6656376,98011464,20548932] |