login

A139951 as a simple table

na(n)
17
283
3167
4227
5283
6307
7503
8523
9563
10607
11787
12887
131063
141223
151427
161447
171487
181627
191823
201847
211867
221987
232063
242243
252287
262383
272903
283163
293167
303307
313407
323527
333583
343643
353863
363923
373967
384003
394483
404507
414567
424583

[7,83,167,227,283,307,503,523,563,607,787,887,
 1063,1223,1427,1447,1487,1627,1823,1847,1867,1987,
 2063,2243,2287,2383,2903,3163,3167,3307,3407,3527,
 3583,3643,3863,3923,3967,4003,4483,4507,4567,4583]