n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 16 |
4 | 56 |
5 | 204 |
6 | 786 |
7 | 3128 |
8 | 12711 |
9 | 52785 |
10 | 222949 |
11 | 953417 |
12 | 4126429 |
13 | 18040639 |
14 | 79526717 |
15 | 353268588 |
16 | 1579911721 |
17 | 7107040619 |
18 | 32142739964 |
19 | 146077453326 |
20 | 666745748346 |
21 | 3055449082093 |
22 | 14053347095902 |
23 | 64853142654332 |
24 | 300211980316997 |
25 | 1393701718048020 |
26 | 6487246904221268 |
27 | 30270900624928157 |
[1,2,5,16,56,204,786,3128,12711,52785,222949, 953417,4126429,18040639,79526717,353268588, 1579911721,7107040619,32142739964,146077453326, 666745748346,3055449082093,14053347095902, 64853142654332,300211980316997,1393701718048020, 6487246904221268,30270900624928157] |