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A104274 as a simple table

na(n)
01
12
22
32
42
52
62
72
82
94
106
116
126
136
146
156
166
176
188
1910
2010
2110
2210
2310
2410
2512
2614
2716
2818
2918
3018
3118
3218
3318
3422
3526
3628
3730
3830
3930
4030
4130
4230
4334
4438
4540
4642
4742
4842
4944
5048
5150
5254
5358
5460
5562
5662
5762
5866
5974
6078
6182
6286
6388
6490
6590
6690

[1,2,2,2,2,2,2,2,2,4,6,6,6,6,6,6,6,6,8,10,10,10,
 10,10,10,12,14,16,18,18,18,18,18,18,22,26,28,30,
 30,30,30,30,30,34,38,40,42,42,42,44,48,50,54,58,
 60,62,62,62,66,74,78,82,86,88,90,90,90]