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A247360型作为一个简单的表

n个a(n)
11
22
45
56
67
78
89
910
1017
1118
1219
1320
1421
1522
1623
1725
1826
1927
2028
2129
2231
2332
2433
2535
2636
2737
2838
2939
3041
3142
3243
3345
3446
3547
3648
3749
3851
3952
4053
4155
4256
4357
4458
4559
4661
4762
4863
4965
5066
5167
5268
5369
5470
5577
5678
5779
5880
5981
6082
6183
6285
6386
6487
6588
6689

[1,2,3,5,6,7,8,9,10,17,18,19,20,21,22,23,25,26,27,28,29,31,32,33,35,36,37,38,39,41,42,43,45,46,47,48,49,51,52,53,55,56,57,58,59,61,62,63,65,66,67,68,69,70,77,78,79,80,81,82,83,85,86,87,88,89]