n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 23 |
4 | 109 |
5 | 527 |
6 | 2565 |
7 | 12503 |
8 | 60957 |
9 | 297183 |
10 | 1448821 |
11 | 7063207 |
12 | 34434061 |
13 | 167870511 |
14 | 818390501 |
15 | 3989759863 |
16 | 19450597117 |
17 | 94824185471 |
18 | 462280211797 |
19 | 2253676033863 |
20 | 10986963179245 |
21 | 53562871542735 |
22 | 261125950919109 |
23 | 1273022903354903 |
[0,1,5,23,109,527,2565,12503,60957,297183,1448821, 7063207,34434061,167870511,818390501,3989759863, 19450597117,94824185471,462280211797, 2253676033863,10986963179245,53562871542735, 261125950919109,1273022903354903] |