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A252371 as a simple table

na(n)
12
23
32
44
55
63
72
83
96
107
114
122
133
144
158
162
175
185
193
206
219
222
2310
244
256
267
273
2811
297
305
312
3212
333
3413
358
364
372
388
399
4014
413
423
432
446
455
4615
474
4810
493
507
519
524
5316
542
5517
5611
5710
583
5912
605
614
6218
636
648
653
6613
6719
687
6920
7011
712
727
735
744
758
765
7721
7814
792
8012
813
8222
833
846
856
8613
879
884
8915
9023
912
925
9316
948
959
9610
9714
987
9924
1004
1013
1024
1032
10417
10525
1066
10710
10826
1097
1105
1113

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