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A281702 as a simple table

na(n)
11
22
36
410
514
618
730
834
938
1042
1146
1250
1358
1466
1578
1686
1790
1894
1998
20106
21118
22130
23134
24150
25154
26170
27174
28186
29190
30198
31206
32214
33218
34226
35234
36254
37258
38266
39270
40274
41286
42294
43310
44314
45318
46326
47338
48350
49354
50366
51370
52394
53398
54406
55410
56426

[1,2,6,10,14,18,30,34,38,42,46,50,58,66,78,86,90,
 94,98,106,118,130,134,150,154,170,174,186,190,198,
 206,214,218,226,234,254,258,266,270,274,286,294,
 310,314,318,326,338,350,354,366,370,394,398,406,
 410,426]