n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 11 |
3 | 53 |
4 | 261 |
5 | 1303 |
6 | 6511 |
7 | 32553 |
8 | 162761 |
9 | 813803 |
10 | 4069011 |
11 | 20345053 |
12 | 101725261 |
13 | 508626303 |
14 | 2543131511 |
15 | 12715657553 |
16 | 63578287761 |
17 | 317891438803 |
18 | 1589457194011 |
19 | 7947285970053 |
20 | 39736429850261 |
21 | 198682149251303 |
22 | 993410746256511 |
[1,3,11,53,261,1303,6511,32553,162761,813803, 4069011,20345053,101725261,508626303,2543131511, 12715657553,63578287761,317891438803, 1589457194011,7947285970053,39736429850261, 198682149251303,993410746256511] |