login

A031388 as a simple table

na(n)
17
231
361
497
5131
6167
7199
8241
9281
10331
11373
12419
13457
14499
15557
16599
17641
18677
19733
20773
21827
22877
23929
24977
251021
261063
271109
281171
291223
301279
311307
321381
331439
341483
351531
361579
371619
381669
391733
401787
411861
421901
431973
442011
452069
462113
472161

[7,31,61,97,131,167,199,241,281,331,373,419,457,
 499,557,599,641,677,733,773,827,877,929,977,1021,
 1063,1109,1171,1223,1279,1307,1381,1439,1483,1531,
 1579,1619,1669,1733,1787,1861,1901,1973,2011,2069,
 2113,2161]