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A368556 as a simple table

na(n)
11
22
32
42
54
62
72
86
94
102
118
122
134
1410
156
162
1710
186
198
2012
216
222
2318
246
258
2616
278
288
2924
302
316
3220
3314
3412
3526
366
376
3824
3922
406
4130
426
4320
4430
4510
468
4736
4814
4918
5032
5118
524
5348
5418
5522
5630
5714
5812
5952
6014
6120
6242
6326
6424
6544
666
6720
6852
6938
7012
7154
7210
7326

[1,2,2,2,4,2,2,6,4,2,8,2,4,10,6,2,10,6,8,12,6,2,
 18,6,8,16,8,8,24,2,6,20,14,12,26,6,6,24,22,6,30,6,
 20,30,10,8,36,14,18,32,18,4,48,18,22,30,14,12,52,
 14,20,42,26,24,44,6,20,52,38,12,54,10,26]