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A253886 as a simple table

na(n)
00
12
24
38
46
514
610
720
824
926
1012
1132
1216
1338
1434
1544
1618
1750
1822
1956
2054
2162
2228
2368
2448
2574
2664
2780
2830
2986
3036
3192
3284
3398
3476
35104
3640
37110
3894
39116
4042
41122
4246
43128
44114
45134
4652
47140
48120
49146
50124
51152
5258
53158
5490
55164
56144
57170
5860
59176
6066
61182
62154
63188
64118
65194
6670
67200
68174
69206
7072
71212
7278
73218
74184
75224
76142
77230
7882

[0,2,4,8,6,14,10,20,24,26,12,32,16,38,34,44,18,50,
 22,56,54,62,28,68,48,74,64,80,30,86,36,92,84,98,
 76,104,40,110,94,116,42,122,46,128,114,134,52,140,
 120,146,124,152,58,158,90,164,144,170,60,176,66,
 182,154,188,118,194,70,200,174,206,72,212,78,218,
 184,224,142,230,82]