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A180436号作为一个简单的表

n个a(n)
11
24
5
49
555
677
7121
8181
9313
10434
11484
12505
13545
14595
15636
16676
17818
181001
191111
201441
211771
224334
236446
2410201
2512321
2614641
2717371
2817871
2919691
3021712
3140804
3241214
3342924
3444444
3544944
3646564
3751015
3865756
3969696
4081818
4194249
4297679
4399199

[1,4,5,9,55,77,121,181,313,434,484,505,545,595,636,676,818,1001,1111,1441,1771,4334,6446,10201,12321,14641,17371,17871,19691,21712,40804,41214,42924,44444,44944,46564,51015,65756,69696,81818,94249,97679,99199]