n | a(n) |
---|---|
4 | 1 |
5 | 13 |
6 | 73 |
7 | 301 |
8 | 1081 |
9 | 3613 |
10 | 11593 |
11 | 36301 |
12 | 111961 |
13 | 342013 |
14 | 1038313 |
15 | 3139501 |
16 | 9467641 |
17 | 28501213 |
18 | 85700233 |
19 | 257493901 |
20 | 773268121 |
21 | 2321377213 |
22 | 6967277353 |
23 | 20908123501 |
24 | 62736953401 |
25 | 188236026013 |
26 | 564758409673 |
27 | 1694375892301 |
28 | 5083329003481 |
29 | 15250389663613 |
[1,13,73,301,1081,3613,11593,36301,111961,342013, 1038313,3139501,9467641,28501213,85700233, 257493901,773268121,2321377213,6967277353, 20908123501,62736953401,188236026013,564758409673, 1694375892301,5083329003481,15250389663613] |