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A359576 as a simple table

na(n)
11
23
31
47
57
61
715
837
917
101
1131
12175
13197
1441
151
1663
17781
181985
191041
2099
211
22127
233367
2418621
2522193
265503
27239
281
29255
3014197
31167337
32433809
33247759
3429089
35577
361
37511
3858975
391461797
408057905
4110056959
422764991
43153769
441393
451
461023
47242461
4812519345
49144769425
50384479935
51232824241
5230856705
53812849
543363
551

[1,3,1,7,7,1,15,37,17,1,31,175,197,41,1,63,781,
 1985,1041,99,1,127,3367,18621,22193,5503,239,1,
 255,14197,167337,433809,247759,29089,577,1,511,
 58975,1461797,8057905,10056959,2764991,153769,
 1393,1,1023,242461,12519345,144769425,384479935,
 232824241,30856705,812849,3363,1]