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A170897 as a simple table

na(n)
00
11
24
34
44
512
64
712
812
912
1020
1112
1220
1328
1412
1512
1612
1720
1828
1920
2036
2136
2244
2344
2436
2552
2652
2728
2828
2928
3036
3144
3244
3368
3468
3576
3676
3760
3868
3968
4068
4168
4260
4336
4468
4568
4684
47100
4876
4976
5092
5168
5284
5392
54100
55140
56100
57132
58116
59100
6084
6176
62108
63140
64108
65100
66100
67132
6892
69156
70172
71124
7276
73108
74108
75124
76164
77140
78148
79132
80116
81108
82172
83156
84132
85108
86140
87148
88196

[0,1,4,4,4,12,4,12,12,12,20,12,20,28,12,12,12,20,
 28,20,36,36,44,44,36,52,52,28,28,28,36,44,44,68,
 68,76,76,60,68,68,68,68,60,36,68,68,84,100,76,76,
 92,68,84,92,100,140,100,132,116,100,84,76,108,140,
 108,100,100,132,92,156,172,124,76,108,108,124,164,
 140,148,132,116,108,172,156,132,108,140,148,196]