login

A130284 as a simple table

na(n)
17
217
331
449
571
697
7104
8127
9161
10199
11241
12287
13337
14391
15449
16511
17577
18594
19647
20721
21799
22881
23967
241057
251151
261249
271351
281455
291457
301567
311681
321799
331921
341952
352047
362177
372311
382449
392591
402737
412887
423041
433199
443361
453527
463697
473871
484049

[7,17,31,49,71,97,104,127,161,199,241,287,337,391,
 449,511,577,594,647,721,799,881,967,1057,1151,
 1249,1351,1455,1457,1567,1681,1799,1921,1952,2047,
 2177,2311,2449,2591,2737,2887,3041,3199,3361,3527,
 3697,3871,4049]