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A129312 as a simple table

na(n)
11
22
32
43
55
63
74
88
98
104
115
1211
1313
1411
155
166
1714
1818
1918
2014
216
227
2317
2423
2525
2623
2717
287
298
3020
3128
3232
3332
3428
3520
368
379
3823
3933
4039
4141
4239
4333
4423
459
4610
4726
4838
4946
5050
5150
5246
5338
5426
5510
5611
5729
5843
5953
6059
6161
6259
6353
6443
6529
6611
6712
6832
6948
7060
7168
7272
7372
7468
7560

[1,2,2,3,5,3,4,8,8,4,5,11,13,11,5,6,14,18,18,14,6,
 7,17,23,25,23,17,7,8,20,28,32,32,28,20,8,9,23,33,
 39,41,39,33,23,9,10,26,38,46,50,50,46,38,26,10,11,
 29,43,53,59,61,59,53,43,29,11,12,32,48,60,68,72,
 72,68,60]