n | a(n) |
---|---|
1 | 2 |
2 | 5 |
3 | 11 |
4 | 101 |
5 | 181 |
6 | 18181 |
7 | 1008001 |
8 | 1022201 |
9 | 1055501 |
10 | 1082801 |
11 | 1085801 |
12 | 1180811 |
13 | 1208021 |
14 | 1221221 |
15 | 1250521 |
16 | 1280821 |
17 | 1508051 |
18 | 1520251 |
19 | 1551551 |
20 | 1580851 |
21 | 1802081 |
22 | 1805081 |
23 | 1880881 |
24 | 1881881 |
25 | 100111001 |
26 | 100888001 |
27 | 108101801 |
[2,5,11,101,181,18181,1008001,1022201,1055501, 1082801,1085801,1180811,1208021,1221221,1250521, 1280821,1508051,1520251,1551551,1580851,1802081, 1805081,1880881,1881881,100111001,100888001, 108101801] |