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A194970号作为一个简单的表

n个a(n)
11
22
44
56
65
77
89
910
108
1111
1213
1314
1415
1512
1616
1718
1819
1921
2020
2117
2222
2324
2425
2527
2628
2726
2823
2929
3031
3132
3234
3336
3435
3533
3630
3737
3839
3940
4042
4144
4245
4343
4441
4538
4646
4748
4849
4951
5053
5154
5255
5352
5450
5547
5656
5758
5859
5961
6063
6164
6266
6365
6462
6560
6657
6767
6869
6970

[1,2,3,4,6,5,7,9,10,8,11,13,14,15,12,16,18,19,21,20,17,22,24,25,27,28,26,23,29,31,32,34,36,35,33,30,37,39,40,42,44,45,43,41,38,46,48,49,51,53,54,55,52,50,47,56,58,59,61,63,64,66,65,62,60,57,67,69,70]