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A331252 as a simple table

na(n)
11
22
33
42
54
62
75
83
93
106
117
124
134
143
158
163
173
189
195
205
2110
224
2311
246
254
266
2712
284
297
3013
315
324
337
344
3514
365
378
385
3915
406
414
428
434
4416
459
465
4717
486
497
509
516
5218
5310
545
5519
566
575
585
5911
608
615
6210
6320
647
657
6621
6712
685
697
7011
7122
729
736
746
7523
766
7713
788
798
8012

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