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A308220 as a simple table

na(n)
12
22
33
43
54
63
74
84
95
104
116
124
134
145
155
165
176
185
196
206
218
224
238
246
256
267
278
287
298
306
316
327
337
347
3510
367
374
387
3911
408
418
427
436
448
459
465
4710
489
498
509
519
529
538
547
5512
569
5710
586
5912
609
614
628
6311
649
6512
669
676
6810
6912
708
7112
7210
734
749
7513
7610
7713
787
7910
8011
8110
826
8312
8412
8510
869
8712
8810
8912
9010
9110
929
9310
947
9512
9611
976
9811
9913
10012

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