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A181948 as a simple table

na(n)
22
32
43
52
63
74
82
94
104
115
122
134
145
155
166
172
184
196
206
216
227
232
244
256
267
277
287
298
302
314
326
338
348
358
368
379
382
394
406
418
429
439
449
459
4610
472
484
497
509
5110
5210
5310
5410
5510
5611
572
584
597
609
6110
6211
6311
6411
6511
6611
6712
682
695
707
719
7211
7312
7412
7512
7612
7712
7812
7913
802
815
827
839
8412
8512
8613
8713
8813
8913
9013
9113
9214

[2,2,3,2,3,4,2,4,4,5,2,4,5,5,6,2,4,6,6,6,7,2,4,6,
 7,7,7,8,2,4,6,8,8,8,8,9,2,4,6,8,9,9,9,9,10,2,4,7,
 9,10,10,10,10,10,11,2,4,7,9,10,11,11,11,11,11,12,
 2,5,7,9,11,12,12,12,12,12,12,13,2,5,7,9,12,12,13,
 13,13,13,13,13,14]