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A033756 as a simple table

na(n)
01
12
22
34
44
54
68
78
86
96
108
116
1212
1316
148
1516
1620
1724
1826
1924
2020
2124
2234
2328
2436
2522
2632
2748
2848
2940
3036
3144
3238
3376
3456
3556
3656
3768
3896
3988
4084
4156
4288
4380
44108
45108
4688
4784
48128
49162
50122
51136
52112
53132
54148
55188
56144
57120
58152
59180
60228
61184
62152
63160
64188
65200
66264

[1,2,2,4,4,4,8,8,6,6,8,6,12,16,8,16,20,24,26,24,
 20,24,34,28,36,22,32,48,48,40,36,44,38,76,56,56,
 56,68,96,88,84,56,88,80,108,108,88,84,128,162,122,
 136,112,132,148,188,144,120,152,180,228,184,152,
 160,188,200,264]