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A206400型作为一个简单的表

n个a(n)
10
21
1
4
5
61
7
8
91
109
11
1213
131
149
157
169
175
18
1915
205
21
22
231
24
25
2611
27
285
29
309
315
32
33
3419
351
36
3713
385
395
40
419
425
43
44
455
469
47
4815
495
507
5111
5213
539
5433
551
569
57
585
5913
609
615
62
63
6419
651
66
67
6815
695
7039
717
7211
7313
745
757
769
7739
781
797
801
817

[0,1,1,3,3,1,3,3,1,9,3,13,1,9,7,9,5,3,15,5,3,3,1,3,3,11,3,5,3,9,5,3,3,19,1,3,13,5,5,3,9,5,3,3,5,9,3,15,5,7,11,13,9,33,1,9,3,5,13,9,5,3,3,19,1,3,3,15,5,39,7,11,13,5,7,9,39,1,7,1,7]