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A231558 as a simple table

na(n)
1217
2511
3889
4949
51957
62041
72263
82413
92869
103113
113133
123481
133991
145201
155761
167813
177903
188071
198137
208773
2110519
2210609
2311377
2411879
2512191
2612313
2712871
2815127
2915223
3016177
3119561
3219733
3319879
3421151
3523077
3623233
3723449
3823573
3926221
4027469

[217,511,889,949,1957,2041,2263,2413,2869,3113,
 3133,3481,3991,5201,5761,7813,7903,8071,8137,8773,
 10519,10609,11377,11879,12191,12313,12871,15127,
 15223,16177,19561,19733,19879,21151,23077,23233,
 23449,23573,26221,27469]