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A090210 as a simple table

na(n)
11
21
31
42
51
61
75
87
91
101
1115
1287
1334
141
151
1652
171657
182971
19209
201
211
22203
2343833
24513559
25163121
261546
271
281
29877
301515903
31149670844
32326922081
3312962661
3413327
351
361
374140
3865766991
3966653198353
401346634725665
41363303011071
421395857215
43130922
441
451

[1,1,1,2,1,1,5,7,1,1,15,87,34,1,1,52,1657,2971,
 209,1,1,203,43833,513559,163121,1546,1,1,877,
 1515903,149670844,326922081,12962661,13327,1,1,
 4140,65766991,66653198353,1346634725665,
 363303011071,1395857215,130922,1,1]