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A112275 as a simple table

na(n)
12
23
34
46
56
68
78
810
910
1012
1112
1218
1314
1415
1516
1618
1718
1820
1920
2024
2122
2224
2324
2430
2526
2627
2728
2830
2930
3036
3132
3236
3334
3435
3536
3648
3738
3839
3940
4042
4142
4248
4344
4445
4548
4648
4748
4860
4950
5052
5152
5254
5354
5456
5556
5660
5758
5860
5960
6072
6162
6263
6364
6466
6566
6670
6768
6870
6970
7072
7172
7284

[2,3,4,6,6,8,8,10,10,12,12,18,14,15,16,18,18,20,
 20,24,22,24,24,30,26,27,28,30,30,36,32,36,34,35,
 36,48,38,39,40,42,42,48,44,45,48,48,48,60,50,52,
 52,54,54,56,56,60,58,60,60,72,62,63,64,66,66,70,
 68,70,70,72,72,84]