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A310566 as a simple table

na(n)
01
14
212
316
420
528
636
740
844
948
1056
1164
1264
1368
1480
1588
1688
1792
18100
19108
20112
21112
22120
23132
24136
25136
26144
27152
28156
29160
30164
31172
32180
33184
34188
35196
36200
37204
38212
39216
40220
41228
42236
43240
44244
45248
46256
47264
48264
49268

[1,4,12,16,20,28,36,40,44,48,56,64,64,68,80,88,88,
 92,100,108,112,112,120,132,136,136,144,152,156,
 160,164,172,180,184,188,196,200,204,212,216,220,
 228,236,240,244,248,256,264,264,268]