login

A106991 as a simple table

na(n)
15
219
3191
4199
5251
6349
7491
8709
9739
10809
11929
121151
131201
141289
151429
161451
171559
181619
191621
202039
212129
222281
232341
242551
252591
262741
272819
282861
293019
303329
313391
323539
333581
343769
353919
363931
374091
384129
394519
404831
414861
424889

[5,19,191,199,251,349,491,709,739,809,929,1151,
 1201,1289,1429,1451,1559,1619,1621,2039,2129,2281,
 2341,2551,2591,2741,2819,2861,3019,3329,3391,3539,
 3581,3769,3919,3931,4091,4129,4519,4831,4861,4889]