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A093049 as a simple table

na(n)
00
10
20
32
41
54
64
76
84
98
108
1110
129
1312
1412
1514
1611
1716
1816
1918
2017
2120
2220
2322
2420
2524
2624
2726
2825
2928
3028
3130
3226
3332
3432
3534
3633
3736
3836
3938
4036
4140
4240
4342
4441
4544
4644
4746
4843
4948
5048
5150
5249
5352
5452
5554
5652
5756
5856
5958
6057
6160
6260
6362
6457
6564
6664
6766
6865
6968

[0,0,0,2,1,4,4,6,4,8,8,10,9,12,12,14,11,16,16,18,
 17,20,20,22,20,24,24,26,25,28,28,30,26,32,32,34,
 33,36,36,38,36,40,40,42,41,44,44,46,43,48,48,50,
 49,52,52,54,52,56,56,58,57,60,60,62,57,64,64,66,
 65,68]