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A107630 as a simple table

na(n)
12
25
317
437
541
6157
7173
8401
9809
10821
111301
121321
131361
141373
152161
162213
172221
183121
193137
203169
214297
224349
235857
247529
257537
269277
2711821
2811897
2911909
3014033
3114057
3214081
3314153
3414173
3517041
3619937
3719949
3823209
3923297
4026681
4130893

[2,5,17,37,41,157,173,401,809,821,1301,1321,1361,
 1373,2161,2213,2221,3121,3137,3169,4297,4349,5857,
 7529,7537,9277,11821,11897,11909,14033,14057,
 14081,14153,14173,17041,19937,19949,23209,23297,
 26681,30893]