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A312800 as a simple table

na(n)
01
14
28
316
420
526
630
738
840
940
1048
1154
1262
1366
1472
1576
1684
1786
1882
1990
20100
21104
22116
23114
24126
25126
26136
27120
28140
29138
30154
31154
32168
33164
34180
35174
36170
37178
38192
39188
40208
41202
42222
43214
44232
45200
46236
47226
48246
49238

[1,4,8,16,20,26,30,38,40,40,48,54,62,66,72,76,84,
 86,82,90,100,104,116,114,126,126,136,120,140,138,
 154,154,168,164,180,174,170,178,192,188,208,202,
 222,214,232,200,236,226,246,238]