n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 25 |
4 | 109 |
5 | 385 |
6 | 1373 |
7 | 4645 |
8 | 16009 |
9 | 48817 |
10 | 159757 |
11 | 488377 |
12 | 1571425 |
13 | 4560901 |
14 | 14482393 |
15 | 43408013 |
16 | 130394125 |
17 | 380755429 |
18 | 1118740741 |
19 | 3326930413 |
20 | 9931863461 |
21 | 28466058257 |
22 | 84243573797 |
23 | 240453967777 |
24 | 706827067045 |
25 | 2009065808473 |
26 | 5913933615149 |
27 | 16711898903281 |
[1,5,25,109,385,1373,4645,16009,48817,159757, 488377,1571425,4560901,14482393,43408013, 130394125,380755429,1118740741,3326930413, 9931863461,28466058257,84243573797,240453967777, 706827067045,2009065808473,5913933615149, 16711898903281] |