login

A177104 as a simple table

na(n)
13
231
343
461
5139
6181
7199
8223
9241
10331
11373
12421
13523
14631
15733
16859
17991
181033
191153
201213
211423
221453
231549
241741
251873
261879
271951
282203
292239
302269
312311
322371
332539
342689
352713
362719
372851
383001
393019
403163
413229
423271
433343
443361
453391
463541

[3,31,43,61,139,181,199,223,241,331,373,421,523,
 631,733,859,991,1033,1153,1213,1423,1453,1549,
 1741,1873,1879,1951,2203,2239,2269,2311,2371,2539,
 2689,2713,2719,2851,3001,3019,3163,3229,3271,3343,
 3361,3391,3541]