login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A031376 as a simple table

na(n)
123
267
3109
4167
5227
6277
7347
8401
9461
10523
11599
12653
13727
14797
15859
16937
171009
181063
191129
201217
211289
221367
231447
241499
251579
261637
271723
281801
291879
301979
312039
322113
332207
342281
352351
362417
372521
382609
392683
402731
412803
422897
432971

[23,67,109,167,227,277,347,401,461,523,599,653,
 727,797,859,937,1009,1063,1129,1217,1289,1367,
 1447,1499,1579,1637,1723,1801,1879,1979,2039,2113,
 2207,2281,2351,2417,2521,2609,2683,2731,2803,2897,
 2971]