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A358221 as a simple table

na(n)
12
23
35
46
57
69
711
813
917
1019
1121
1223
1325
1426
1529
1631
1733
1837
1938
2041
2143
2246
2347
2449
2553
2659
2761
2865
2967
3071
3173
3277
3379
3483
3589
3694
3797
38101
39103
40107
41109
42113
43127
44131
45137
46139
47141
48146
49149
50151
51157
52161
53163
54167
55173
56179
57181
58185
59191
60193
61197
62199
63201
64206
65207
66209
67211
68221
69223
70227
71229
72233

[2,3,5,6,7,9,11,13,17,19,21,23,25,26,29,31,33,37,
 38,41,43,46,47,49,53,59,61,65,67,71,73,77,79,83,
 89,94,97,101,103,107,109,113,127,131,137,139,141,
 146,149,151,157,161,163,167,173,179,181,185,191,
 193,197,199,201,206,207,209,211,221,223,227,229,
 233]