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A206922 as a simple table

na(n)
12
22
33
44
54
66
74
88
96
1010
1111
1212
1313
1414
154
1616
178
1818
1919
2020
216
2222
2323
2424
2525
2626
2710
2828
2929
3030
3111
3232
3312
3434
3535
3636
3737
3838
3939
4040
4141
4242
4343
4444
4513
4646
4747
4848
4949
5050
5114
5252
5353
5454
5555
5656
5757
5858
5959
6060
6161
6262
634
6464
6516
6666
6767
6868

[2,2,3,4,4,6,4,8,6,10,11,12,13,14,4,16,8,18,19,20,
 6,22,23,24,25,26,10,28,29,30,11,32,12,34,35,36,37,
 38,39,40,41,42,43,44,13,46,47,48,49,50,14,52,53,
 54,55,56,57,58,59,60,61,62,4,64,16,66,67,68]