login

A329570 as a simple table

na(n)
12
22
33
45
55
63
77
811
911
105
1111
125
1313
147
155
1617
1717
1811
1919
205
217
2211
2323
2411
2529
2613
2729
287
2929
305
3131
3237
3311
3417
357
3611
3737
3819
3913
4011
4141
427
4343
4411
4511
4623
4747
4817
4953
5029
5117
5213
5353
5429
5511
5611
5719
5829
5959
605
6161
6231
6311
6467
6513
6611
6767
6817
6923
707
7171
7211
7373
7437
7529
7619
7711

[2,2,3,5,5,3,7,11,11,5,11,5,13,7,5,17,17,11,19,5,
 7,11,23,11,29,13,29,7,29,5,31,37,11,17,7,11,37,19,
 13,11,41,7,43,11,11,23,47,17,53,29,17,13,53,29,11,
 11,19,29,59,5,61,31,11,67,13,11,67,17,23,7,71,11,
 73,37,29,19,11]