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A271859型作为一个简单的表

n个a(n)
00
11
22
44
55
66
75
84
9
102
111
122
13
144
155
166
177
186
195
204
21
222
23
244
255
266
277
288
297
306
315
324
33
344
355
366
377
388
399
408
417
426
435
444
455
466
477
488
499
5010
519
528
537
546
555
566
577
588
599
6010
6111
6210
639
648
657
666
677
688
699
7010
7111
7212
7311
7410
759
768
777
788
799
8010
8111

[0,1,2,3,4,5,6,5,4,3,2,1,2,3,4,5,6,7,6,5,4,3,2,3,4,5,6,7,8,7,6,5,4,3,4,5,6,7,8,9,8,7,6,5,4,5,6,7,8,9,10,9,8,7,6,5,6,7,8,9,10,11,10,9,8,7,6,7,8,9,10,11,12,11,10,9,8,7,8,9,10,11]