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A283681 as a simple table

na(n)
11
22
32
42
54
63
72
84
96
104
114
124
136
148
155
163
178
186
198
2010
216
222
236
2412
258
2610
2712
287
294
304
319
3216
3310
3412
3514
368
376
388
396
4012
4120
4212
4314
4416
459
464
4712
4812
498
5015
5124
5214
5316
5418
5510
564
578
5818
5916
6010
6118
6228
6316
6418
6520
6611
674
688
6912
7024
7120
7212
7321
7432
7518
7620
7722
7812
796
808

[1,2,2,2,4,3,2,4,6,4,4,4,6,8,5,3,8,6,8,10,6,2,6,
 12,8,10,12,7,4,4,9,16,10,12,14,8,6,8,6,12,20,12,
 14,16,9,4,12,12,8,15,24,14,16,18,10,4,8,18,16,10,
 18,28,16,18,20,11,4,8,12,24,20,12,21,32,18,20,22,
 12,6,8]