A173002-OEIS公司

A173002号作为一个简单的表

n个	a（n）
1	10010101
2	11171777
三	11177717
4	11313331
5	11333131
6	11919199
7	11919991
8	13111333
9	13131133
10	13131331
11	13133311
12	13311313
13	14441411
14	16166611
15	16616161
16	17111777
17	17171177
18	17171771
19	17177117
20	17711717
21	17717171

[10010101,11171777,11177717,11313331,11333131,11919199,11919991,13111333,13131133,13131331,13133311,13311313,14441411,16166611,16616161,17111777,17171177,17171771,17177117,17711717,17717171]