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A007929 as a simple table

na(n)
121
223
325
427
529
641
743
845
947
1049
1161
1263
1365
1467
1569
1681
1783
1885
1987
2089
21101
22103
23105
24107
25109
26121
27123
28125
29127
30129
31141
32143
33145
34147
35149
36161
37163
38165
39167
40169
41181
42183
43185
44187
45189
46201

[21,23,25,27,29,41,43,45,47,49,61,63,65,67,69,81,
 83,85,87,89,101,103,105,107,109,121,123,125,127,
 129,141,143,145,147,149,161,163,165,167,169,181,
 183,185,187,189,201]