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A364056 as a simple table

na(n)
12
24
38
412
516
620
724
828
932
1040
1144
1248
1352
1456
1564
1668
1772
1876
1980
2088
2192
2296
23104
24112
25116
26120
27124
28128
29136
30144
31148
32152
33160
34164
35168
36172
37176
38184
39188
40192
41200
42208
43212
44224
45232
46236
47240
48244
49248
50256
51264
52268
53272
54280
55284
56288
57292

[2,4,8,12,16,20,24,28,32,40,44,48,52,56,64,68,72,
 76,80,88,92,96,104,112,116,120,124,128,136,144,
 148,152,160,164,168,172,176,184,188,192,200,208,
 212,224,232,236,240,244,248,256,264,268,272,280,
 284,288,292]