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A136446 as a simple table

na(n)
112
218
324
430
536
640
742
848
954
1056
1160
1266
1372
1478
1580
1684
1790
1896
19100
20102
21108
22112
23114
24120
25126
26132
27138
28140
29144
30150
31156
32160
33162
34168
35174
36176
37180
38186
39192
40196
41198
42200
43204
44208
45210
46216
47220
48222
49224
50228
51234
52240
53246

[12,18,24,30,36,40,42,48,54,56,60,66,72,78,80,84,
 90,96,100,102,108,112,114,120,126,132,138,140,144,
 150,156,160,162,168,174,176,180,186,192,196,198,
 200,204,208,210,216,220,222,224,228,234,240,246]