n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 10 |
4 | 32 |
5 | 126 |
6 | 588 |
7 | 3171 |
8 | 19382 |
9 | 132099 |
10 | 990756 |
11 | 8093603 |
12 | 71436060 |
13 | 676734190 |
14 | 6842383982 |
15 | 73483900031 |
16 | 834766518890 |
17 | 9994386677811 |
18 | 125715770020804 |
19 | 1656716763283342 |
20 | 22816308485104494 |
21 | 327646842078735037 |
22 | 4896100535018809108 |
23 | 75994281001001114847 |
[1,2,4,10,32,126,588,3171,19382,132099,990756, 8093603,71436060,676734190,6842383982,73483900031, 834766518890,9994386677811,125715770020804, 1656716763283342,22816308485104494, 327646842078735037,4896100535018809108, 75994281001001114847] |