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A218206 as a simple table

na(n)
11
23
33
47
515
67
713
859
959
1013
1125
12233
13483
14233
1525
1649
17929
183841
193841
20929
2149
2297
233697
2430599
2561013
2630599
273697
2897
29191
3014719
31243953
32971849
33971849
34243953
3514719
36191
37375
3858599
391945103
4015491481
4130954777
4215491481
431945103
4458599

[1,3,3,7,15,7,13,59,59,13,25,233,483,233,25,49,
 929,3841,3841,929,49,97,3697,30599,61013,30599,
 3697,97,191,14719,243953,971849,971849,243953,
 14719,191,375,58599,1945103,15491481,30954777,
 15491481,1945103,58599]