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A047812 as a simple table

na(n)
11
21
31
41
53
61
71
85
97
101
111
129
1320
1411
151
161
1713
1848
1951
2018
211
221
2320
24100
25169
26112
2726
281
291
3028
31194
32461
33486
34221
3538
361
371
3840
39352
401128
411667
421210
43411
4452
451
461
4754
48615
492517
504959
515095
522761
53720
5473
551
561
5775
581034
595288
6013241
6118084
6213894
635850
641221
6597
661

[1,1,1,1,3,1,1,5,7,1,1,9,20,11,1,1,13,48,51,18,1,
 1,20,100,169,112,26,1,1,28,194,461,486,221,38,1,1,
 40,352,1128,1667,1210,411,52,1,1,54,615,2517,4959,
 5095,2761,720,73,1,1,75,1034,5288,13241,18084,
 13894,5850,1221,97,1]