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A274531 as a simple table

na(n)
11
23
31
44
52
67
73
81
96
104
1112
125
132
142
158
166
1715
187
193
201
2113
228
234
2418
259
264
270
2812
2910
3028
3111
325
334
343
351
3614
3712
3824
3913
406
412
4224
4314
448
458
4631
4715
487
493
501
5118
5216
5339
5417
558
5610
574
584
5920
6018
6142
6219
6311
644
655
661
6732
6820
6912
708
7136
7221
7310
746
7524
7622
7760
7823
7911
8010
816
825
832
842
8531
8624
8716
8842
8925
9012
918

[1,3,1,4,2,7,3,1,6,4,12,5,2,2,8,6,15,7,3,1,13,8,4,
 18,9,4,0,12,10,28,11,5,4,3,1,14,12,24,13,6,2,24,
 14,8,8,31,15,7,3,1,18,16,39,17,8,10,4,4,20,18,42,
 19,11,4,5,1,32,20,12,8,36,21,10,6,24,22,60,23,11,
 10,6,5,2,2,31,24,16,42,25,12,8]