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A140853 as a simple table

na(n)
11
22
36
412
528
636
752
860
978
10106
11112
12150
13172
14180
15198
16238
17270
18280
19316
20348
21358
22396
23420
24456
25502
26540
27556
28576
29592
30612
31700
32732
33768
34786
35856
36862
37910
38952
39982
401020
411060
421068
431150
441162
451192
461212
471290
481398
491428
501438
511458

[1,2,6,12,28,36,52,60,78,106,112,150,172,180,198,
 238,270,280,316,348,358,396,420,456,502,540,556,
 576,592,612,700,732,768,786,856,862,910,952,982,
 1020,1060,1068,1150,1162,1192,1212,1290,1398,1428,
 1438,1458]