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A076109 as a simple table

na(n)
11
21
33
40
55
63
77
80
93
105
1111
120
1313
147
1515
160
1717
183
1919
200
2121
2211
2323
240
255
2613
273
280
2929
3015
3131
320
3333
3417
3535
360
3737
3819
3939
400
4141
4221
4343
440
4515
4623
4747
480
497
505
5151
520
5353
543
5555
560
5757
5829
5959
600
6161
6231
6321
640
6565
6633
6767
680
6969
7035
7171
720
7373
7437
7515
760
7777
7839
7979
800

[1,1,3,0,5,3,7,0,3,5,11,0,13,7,15,0,17,3,19,0,21,
 11,23,0,5,13,3,0,29,15,31,0,33,17,35,0,37,19,39,0,
 41,21,43,0,15,23,47,0,7,5,51,0,53,3,55,0,57,29,59,
 0,61,31,21,0,65,33,67,0,69,35,71,0,73,37,15,0,77,
 39,79,0]