login

A309139 as a simple table

na(n)
13
213
341
471
5127
6139
7179
8257
9269
10311
11331
12409
13439
14443
15461
16541
17587
18673
19739
20761
21823
22887
23967
241051
251061
261087
271129
281153
291223
301237
311277
321373
331381
341409
351427
361439
371567
381619
391733
401741
411783
421933
431973
442017
452063
462083
472203
482239
492417

[3,13,41,71,127,139,179,257,269,311,331,409,439,
 443,461,541,587,673,739,761,823,887,967,1051,1061,
 1087,1129,1153,1223,1237,1277,1373,1381,1409,1427,
 1439,1567,1619,1733,1741,1783,1933,1973,2017,2063,
 2083,2203,2239,2417]