login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A139867 as a simple table

na(n)
12
283
3107
4167
5227
6263
7347
8503
9563
10743
11827
12887
131163
141187
151223
161283
171427
181487
191583
201667
211823
221847
232063
242087
252207
262243
272543
282903
293167
303203
313407
323467
333527
343803
353863
363923
374127
384463
394523
404583
414703
424787

[2,83,107,167,227,263,347,503,563,743,827,887,
 1163,1187,1223,1283,1427,1487,1583,1667,1823,1847,
 2063,2087,2207,2243,2543,2903,3167,3203,3407,3467,
 3527,3803,3863,3923,4127,4463,4523,4583,4703,4787]