login

A279398 as a simple table

na(n)
13
25
32
43
53
65
77
82
97
102
113
123
135
143
153
165
173
183
195
202
217
223
235
243
253
2611
272
287
292
307
317
325
333
342
355
362
373
385
393
405
415
4211
433
447
452
463
473
4817
493
503
513
523
537
545
553
565
577
583

[3,5,2,3,3,5,7,2,7,2,3,3,5,3,3,5,3,3,5,2,7,3,5,3,
 3,11,2,7,2,7,7,5,3,2,5,2,3,5,3,5,5,11,3,7,2,3,3,
 17,3,3,3,3,7,5,3,5,7,3]