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A010069 as a simple table

na(n)
01
12
24
38
410
514
616
720
828
932
1040
1150
1252
1356
1458
1562
1670
1774
1882
1992
20100
21104
22112
23116
24124
25134
26142
27152
28160
29170
30178
31188
32202
33212
34220
35230
36244
37260
38268
39278
40292
41308
42316
43326
44340
45356
46364
47368
48376
49386
50394
51398
52406
53410

[1,2,4,8,10,14,16,20,28,32,40,50,52,56,58,62,70,
 74,82,92,100,104,112,116,124,134,142,152,160,170,
 178,188,202,212,220,230,244,260,268,278,292,308,
 316,326,340,356,364,368,376,386,394,398,406,410]