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A253573 as a simple table

na(n)
21
31
42
51
62
73
81
92
103
114
121
132
143
154
169
171
182
193
204
219
228
231
242
253
264
279
288
2927
301
312
323
334
349
358
3615
3716
381
392
403
414
429
438
4415
4516
4681
471
482
493
504
519
528
5315
5414
555
5632
571
582
593
604
619
628
6315
6414
655
666
67243
681
692
703
714
729
738
7415
7514
765
776
7825
7964

[1,1,2,1,2,3,1,2,3,4,1,2,3,4,9,1,2,3,4,9,8,1,2,3,
 4,9,8,27,1,2,3,4,9,8,15,16,1,2,3,4,9,8,15,16,81,1,
 2,3,4,9,8,15,14,5,32,1,2,3,4,9,8,15,14,5,6,243,1,
 2,3,4,9,8,15,14,5,6,25,64]