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A073660 as a simple table

na(n)
11
22
34
46
512
622
726
842
958
1064
1196
12110
13128
14156
15216
16234
17242
18268
19298
20310
21330
22356
23380
24384
25408
26422
27424
28454
29462
30468
31490
32516
33580
34634
35648
36664
37708
38806
39824
40826
41864
42894
43896
44986
451038
461114
471122
481160
491244
501246
511254
521264
531316
541420

[1,2,4,6,12,22,26,42,58,64,96,110,128,156,216,234,
 242,268,298,310,330,356,380,384,408,422,424,454,
 462,468,490,516,580,634,648,664,708,806,824,826,
 864,894,896,986,1038,1114,1122,1160,1244,1246,
 1254,1264,1316,1420]