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A253064 as a simple table

na(n)
01
14
24
312
44
516
612
740
84
916
1016
1148
1212
1348
1440
15128
164
1716
1816
1948
2016
2164
2248
23160
2412
2548
2648
27144
2840
29160
30128
31416
324
3316
3416
3548
3616
3764
3848
39160
4016
4164
4264
43192
4448
45192
46160
47512
4812
4948
5048
51144
5248
53192
54144
55480
5640
57160
58160
59480
60128
61512
62416

[1,4,4,12,4,16,12,40,4,16,16,48,12,48,40,128,4,16,
 16,48,16,64,48,160,12,48,48,144,40,160,128,416,4,
 16,16,48,16,64,48,160,16,64,64,192,48,192,160,512,
 12,48,48,144,48,192,144,480,40,160,160,480,128,
 512,416]