n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 17 |
4 | 69 |
5 | 273 |
6 | 1181 |
7 | 5049 |
8 | 22277 |
9 | 98801 |
10 | 445357 |
11 | 2019337 |
12 | 9240325 |
13 | 42516417 |
14 | 196833789 |
15 | 915399225 |
16 | 4276244117 |
17 | 20050107057 |
18 | 94335358413 |
19 | 445185708105 |
20 | 2106762523813 |
21 | 9994758390849 |
22 | 47525328431357 |
23 | 226456780880985 |
24 | 1081142185822101 |
25 | 5170719824783825 |
26 | 24770430475804429 |
27 | 118844354630579049 |
[1,1,5,17,69,273,1181,5049,22277,98801,445357, 2019337,9240325,42516417,196833789,915399225, 4276244117,20050107057,94335358413,445185708105, 2106762523813,9994758390849,47525328431357, 226456780880985,1081142185822101,5170719824783825, 24770430475804429,118844354630579049] |