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A350786 as a simple table

na(n)
11
22
33
44
56
66
78
88
99
1010
1112
1212
1316
1416
1516
1616
1718
1818
1920
2020
2124
2224
2324
2424
2530
2630
2730
2830
2930
3030
3132
3232
3336
3436
3536
3636
3740
3840
3940
4040
4148
4248
4348
4448
4548
4648
4748
4848
4960
5060
5160
5260
5360
5460
5560
5660
5760
5860
5960
6060
6164
6264
6364
6464
6572
6672
6772
6872
6972
7072
7172
7272

[1,2,3,4,6,6,8,8,9,10,12,12,16,16,16,16,18,18,20,
 20,24,24,24,24,30,30,30,30,30,30,32,32,36,36,36,
 36,40,40,40,40,48,48,48,48,48,48,48,48,60,60,60,
 60,60,60,60,60,60,60,60,60,64,64,64,64,72,72,72,
 72,72,72,72,72]