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A286343 as a simple table

na(n)
11
21
31
42
51
62
73
81
93
102
114
125
131
146
153
162
177
184
198
205
211
229
236
243
257
262
2710
288
294
309
3110
325
3311
341
3512
3613
376
3814
393
407
4115
422
4316
4417
458
4618
474
489
4919
5010
5120
525
5311
5421
551
5612
5722
5813
5923
606
6114
6224
633
6415
657
6616
6725
682
6917
7026
7118
7219
738
7420
7527
764
7721

[1,1,1,2,1,2,3,1,3,2,4,5,1,6,3,2,7,4,8,5,1,9,6,3,
 7,2,10,8,4,9,10,5,11,1,12,13,6,14,3,7,15,2,16,17,
 8,18,4,9,19,10,20,5,11,21,1,12,22,13,23,6,14,24,3,
 15,7,16,25,2,17,26,18,19,8,20,27,4,21]