n | a(n) |
---|---|
1 | 9 |
2 | 23 |
3 | 59 |
4 | 145 |
5 | 351 |
6 | 835 |
7 | 1971 |
8 | 4625 |
9 | 10831 |
10 | 25349 |
11 | 59387 |
12 | 139365 |
13 | 327791 |
14 | 772867 |
15 | 1826897 |
16 | 4329065 |
17 | 10282271 |
18 | 24474781 |
19 | 58370829 |
20 | 139453231 |
21 | 333678255 |
22 | 799483191 |
23 | 1917764183 |
24 | 4604847317 |
25 | 11066414301 |
26 | 26614313429 |
27 | 64046049399 |
[9,23,59,145,351,835,1971,4625,10831,25349,59387, 139365,327791,772867,1826897,4329065,10282271, 24474781,58370829,139453231,333678255,799483191, 1917764183,4604847317,11066414301,26614313429, 64046049399] |