login

A304390 as a simple table

na(n)
123
241
3227
4233
5283
6401
7409
8419
9421
10461
11491
12499
13823
14827
15857
16877
172003
182083
192267
202437
212557
222593
232617
242633
252677
262857
272887
282957
294001
304021
314051
324079
334129
344211
354231
364391
374409
384451
394481
404519
414591
424621
434639
444651
454871
466091
476301
486329
496379
506521
516529
526551

[23,41,227,233,283,401,409,419,421,461,491,499,
 823,827,857,877,2003,2083,2267,2437,2557,2593,
 2617,2633,2677,2857,2887,2957,4001,4021,4051,4079,
 4129,4211,4231,4391,4409,4451,4481,4519,4591,4621,
 4639,4651,4871,6091,6301,6329,6379,6521,6529,6551]