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A307097 as a simple table

na(n)
12
24
34
44
56
66
78
86
910
1018
1126
1210
1310
148
1512
1630
178
1832
1914
2032
2152
2226
2360
2452
2534
2674
2714
2880
2936
3038
3124
3254
3326
3430
3536
3658
3722
3814
3926
4036
4138
4220
4336
4460
4524
4624
4718
4814
4924
5034
5170
52104
5348
5456
5536
5650
5750
5848
59152
6028
61110
6230
63172
6464
65104
66158
67150
6860
6936
70186
7152
7250

[2,4,4,4,6,6,8,6,10,18,26,10,10,8,12,30,8,32,14,
 32,52,26,60,52,34,74,14,80,36,38,24,54,26,30,36,
 58,22,14,26,36,38,20,36,60,24,24,18,14,24,34,70,
 104,48,56,36,50,50,48,152,28,110,30,172,64,104,
 158,150,60,36,186,52,50]