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A007896 as a simple table

na(n)
11
21
32
43
54
64
76
87
99
108
1110
1212
1312
1412
1516
1618
1716
1819
1918
2024
2124
2220
2322
2432
2530
2624
2734
2836
2928
3040
3130
3242
3340
3432
3548
3660
3736
3836
3948
4064
4140
4260
4342
4460
4576
4644
4746
4886
4963
5066
5164
5272
5352
5482
5580
5696
5772
5856
5958
60128
6160
6260
63114
64104
6596
66100

[1,1,2,3,4,4,6,7,9,8,10,12,12,12,16,18,16,19,18,
 24,24,20,22,32,30,24,34,36,28,40,30,42,40,32,48,
 60,36,36,48,64,40,60,42,60,76,44,46,86,63,66,64,
 72,52,82,80,96,72,56,58,128,60,60,114,104,96,100]