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A203389 as a simple table

na(n)
11
21
31
41
57
61
71
849
949
101
111
12252
132422
14252
151
161
171519
1865653
1965653
201519
211
221
2311585
241644254
257951793
261644254
2711585
281
291
3086156
3150848495
32781413998
33781413998
3450848495
3586156
361
371
38606221
391678700434
4087523201775
41307215779816

[1,1,1,1,7,1,1,49,49,1,1,252,2422,252,1,1,1519,
 65653,65653,1519,1,1,11585,1644254,7951793,
 1644254,11585,1,1,86156,50848495,781413998,
 781413998,50848495,86156,1,1,606221,1678700434,
 87523201775,307215779816]