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A181538 as a simple table

na(n)
11
21
32
41
51
66
71
82
92
108
111
121
132
142
1520
161
172
186
194
204
2112
221
231
242
252
264
272
2842
291
302
312
328
334
344
356
3632
371
381
396
402
414
426
436
444
4554
461
472
482
494
5020
514
526
538
546
5540
561
571
582
592
604
612
626
634
646
654
66110
671
682
696
708
714
7212
736
7416
7518
768
7710
7848

[1,1,2,1,1,6,1,2,2,8,1,1,2,2,20,1,2,6,4,4,12,1,1,
 2,2,4,2,42,1,2,2,8,4,4,6,32,1,1,6,2,4,6,6,4,54,1,
 2,2,4,20,4,6,8,6,40,1,1,2,2,4,2,6,4,6,4,110,1,2,6,
 8,4,12,6,16,18,8,10,48]