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A268930 as a simple table

na(n)
111
241
3131
4227
5557
61151
71787
86449
97433
1035729
11148667
12180959
13402761
14407153
152339297
165522039
1711158331
1820831621
1922441073
2027681671
2173452191
22241563941
23953758661
241444258271
251917281867
266822754391
2715867287129
2828265030429
2940841580683
30177858260357

[11,41,131,227,557,1151,1787,6449,7433,35729,
 148667,180959,402761,407153,2339297,5522039,
 11158331,20831621,22441073,27681671,73452191,
 241563941,953758661,1444258271,1917281867,
 6822754391,15867287129,28265030429,40841580683,
 177858260357]