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A372678 as a simple table

na(n)
11
22
32
44
54
64
77
88
96
108
1110
128
1312
1414
158
1616
1716
1812
1918
2016
2114
2220
2322
2416
2520
2624
2718
2828
2928
3016
3130
3232
3320
3432
3528
3624
3736
3836
3924
4032
4140
4228
4342
4440
4524
4644
4746
4832
4949
5040
5132
5248
5352
5436
5540
5656
5736
5856
5958
6032
6160
6260
6342
6464
6548
6640
6766
6864
6944
7056
7170
7248
7372
7472
7540
7672
7770
7848

[1,2,2,4,4,4,7,8,6,8,10,8,12,14,8,16,16,12,18,16,
 14,20,22,16,20,24,18,28,28,16,30,32,20,32,28,24,
 36,36,24,32,40,28,42,40,24,44,46,32,49,40,32,48,
 52,36,40,56,36,56,58,32,60,60,42,64,48,40,66,64,
 44,56,70,48,72,72,40,72,70,48]