n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 13 |
4 | 63 |
5 | 203 |
6 | 999 |
7 | 3587 |
8 | 17759 |
9 | 67651 |
10 | 336021 |
11 | 1331219 |
12 | 6625527 |
13 | 26986373 |
14 | 134486323 |
15 | 559145055 |
16 | 2788924975 |
17 | 11780888151 |
18 | 58797042195 |
19 | 251528398701 |
20 | 1255897609137 |
21 | 5428250453879 |
22 | 27112257364177 |
23 | 118192158415853 |
24 | 590469598600839 |
25 | 2592741636999165 |
26 | 12955252325160873 |
27 | 57239205344554295 |
[1,1,5,13,63,203,999,3587,17759,67651,336021, 1331219,6625527,26986373,134486323,559145055, 2788924975,11780888151,58797042195,251528398701, 1255897609137,5428250453879,27112257364177, 118192158415853,590469598600839,2592741636999165, 12955252325160873,57239205344554295] |