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A071049号作为一个简单的表

n个a(n)
01
12
2
45
5
65
76
88
95
106
118
128
138
1411
1511
1613
179
1811
1911
2013
2114
2216
2314
2414
2513
2613
2717
2822
2920
3016
3117
3224
3319
3414
3519
3625
3718
3820
3925
4024
4119
4224
4331
4427
4526
4624
4722
4832
4931
5028
5124
5229
5334
5430
5531
5637
5734
5834
5936
6035
6134
6235
6336
6443
6540
6636
6738
6837
6939
7040

[1,2,3,3,5,3,5,6,8,5,6,8,8,8,11,11,13,9,11,11,13,14,16,14,14,13,13,17,22,20,16,17,24,19,14,19,25,18,20,25,24,19,24,31,27,26,24,22,32,31,28,24,29,34,30,31,37,34,34,36,35,34,35,36,43,40,36,38,37,39,40]