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A020290 as a simple table

na(n)
19
221
363
465
5133
6231
7341
8481
9511
10651
111387
121417
131541
141661
152047
162501
173171
183277
193641
204033
214097
224371
234681
245461
255963
266533
276951
287107
297161
308321
318911
329709
3310261
3411041
3513333
3613747
3714491
3814981
3915709
4015841
4116589
4219561
4319951

[9,21,63,65,133,231,341,481,511,651,1387,1417,
 1541,1661,2047,2501,3171,3277,3641,4033,4097,4371,
 4681,5461,5963,6533,6951,7107,7161,8321,8911,9709,
 10261,11041,13333,13747,14491,14981,15709,15841,
 16589,19561,19951]