login

A106909 as a simple table

na(n)
15
231
389
4179
5191
6331
7419
8421
9449
10599
11641
12859
13991
141021
151039
161109
171259
181291
191301
201489
211549
221621
231871
242011
252099
262311
272381
282539
292689
302909
313041
323169
333301
343331
353389
363391
373821
383919
393931
404019
414211
424229
434261

[5,31,89,179,191,331,419,421,449,599,641,859,991,
 1021,1039,1109,1259,1291,1301,1489,1549,1621,1871,
 2011,2099,2311,2381,2539,2689,2909,3041,3169,3301,
 3331,3389,3391,3821,3919,3931,4019,4211,4229,4261]