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A206580 as a simple table

na(n)
10
21
33
44
56
68
710
812
918
1020
1124
1226
1330
1442
1546
1650
1752
1856
1960
2070
2172
2274
2378
2486
2592
2698
27102
28106
29112
30116
31124
32128
33132
34136
35156
36158
37170
38178
39188
40192
41196
42202
43204
44212
45236
46242
47250
48266
49272
50274
51276
52278
53286
54292
55294
56312
57318

[0,1,3,4,6,8,10,12,18,20,24,26,30,42,46,50,52,56,
 60,70,72,74,78,86,92,98,102,106,112,116,124,128,
 132,136,156,158,170,178,188,192,196,202,204,212,
 236,242,250,266,272,274,276,278,286,292,294,312,
 318]