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A073353 as a simple table

na(n)
12
24
36
46
510
612
714
810
912
1020
1122
1218
1326
1428
1530
1618
1734
1824
1938
2030
2142
2244
2346
2430
2530
2652
2730
2842
2958
3060
3162
3234
3366
3468
3570
3642
3774
3876
3978
4050
4182
4284
4386
4466
4560
4692
4794
4854
4956
5060
51102
5278
53106
5460
55110
5670
57114
58116
59118
6090
61122
62124
6384
6466
65130
66132

[2,4,6,6,10,12,14,10,12,20,22,18,26,28,30,18,34,
 24,38,30,42,44,46,30,30,52,30,42,58,60,62,34,66,
 68,70,42,74,76,78,50,82,84,86,66,60,92,94,54,56,
 60,102,78,106,60,110,70,114,116,118,90,122,124,84,
 66,130,132]