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A051888 as a simple table

na(n)
02
12
22
32
43
52
63
73
87
93
103
115
122
133
1413
157
1631
175
182
197
2017
2167
2241
233
2413
253
2643
2717
2897
297
3029
31109
323
3371
345
352
367
3741
383
3959
403
4111
4229
437
44107
4567
4679
473
48743
49149
50163
512
52211
532
5419
5571
5673
5723
5837
59113
60149
6167
6241
63617
64107
6537
66107
67283
68113
6919
70239
71107
7273
7397
745

[2,2,2,2,3,2,3,3,7,3,3,5,2,3,13,7,31,5,2,7,17,67,
 41,3,13,3,43,17,97,7,29,109,3,71,5,2,7,41,3,59,3,
 11,29,7,107,67,79,3,743,149,163,2,211,2,19,71,73,
 23,37,113,149,67,41,617,107,37,107,283,113,19,239,
 107,73,97,5]