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A031561 as a simple table

na(n)
13971
24003
34007
44019
54027
64039
74051
84059
94079
104083
114091
124099
134111
144127
154131
164139
174151
184159
194183
204207
214211
224219
234223
2415880
2515936
2615944
2715968
2815976
2916000
3016064
3116160
3216192
3316224
3416232
3516288
3616328
3716424
3816480
3916544

[3971,4003,4007,4019,4027,4039,4051,4059,4079,
 4083,4091,4099,4111,4127,4131,4139,4151,4159,4183,
 4207,4211,4219,4223,15880,15936,15944,15968,15976,
 16000,16064,16160,16192,16224,16232,16288,16328,
 16424,16480,16544]