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A315720 as a simple table

na(n)
01
16
212
318
418
530
636
742
836
942
1048
1148
1272
1378
1484
1572
1678
1790
1890
19114
20108
21114
22102
23108
24132
25132
26156
27144
28150
29144
30150
31174
32162
33186
34174
35180
36186
37192
38216
39198
40222
41216
42222
43228
44222
45246
46228
47252
48258
49264

[1,6,12,18,18,30,36,42,36,42,48,48,72,78,84,72,78,
 90,90,114,108,114,102,108,132,132,156,144,150,144,
 150,174,162,186,174,180,186,192,216,198,222,216,
 222,228,222,246,228,252,258,264]