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A253474 as a simple table

na(n)
12
211
317
423
525
631
739
841
945
1051
1153
1256
1357
1459
1565
1667
1773
1876
1979
2081
2183
2285
2387
2491
2595
2697
2799
28100
29101
30105
31109
32111
33113
34115
35123
36125
37129
38133
39137
40141
41143
42147
43149
44151
45153
46154
47157
48159
49163
50165
51167
52170
53171
54175
55179
56181
57185
58187
59189
60193
61195
62197
63199
64201
65203
66207
67209
68213
69215
70219
71221
72225

[2,11,17,23,25,31,39,41,45,51,53,56,57,59,65,67,
 73,76,79,81,83,85,87,91,95,97,99,100,101,105,109,
 111,113,115,123,125,129,133,137,141,143,147,149,
 151,153,154,157,159,163,165,167,170,171,175,179,
 181,185,187,189,193,195,197,199,201,203,207,209,
 213,215,219,221,225]