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A045927 as a simple table

na(n)
12
24
36
48
522
624
726
828
944
1046
1148
1266
1368
1488
15222
16224
17226
18228
19244
20246
21248
22266
23268
24288
25444
26446
27448
28466
29468
30488
31666
32668
33688
34888
352222
362224
372226
382228
392244
402246
412248
422266
432268
442288
452444
462446
472448
482466
492468
502488
512666
522668

[2,4,6,8,22,24,26,28,44,46,48,66,68,88,222,224,
 226,228,244,246,248,266,268,288,444,446,448,466,
 468,488,666,668,688,888,2222,2224,2226,2228,2244,
 2246,2248,2266,2268,2288,2444,2446,2448,2466,2468,
 2488,2666,2668]