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A079061 as a simple table

na(n)
13
27
323
471
5643
6457
7311
8191
92161
1015791
115881
1236721
13156601
1495471
15275641
16161831
17712321
181171921
193384481
203659401
21760321
227510801
2316889161
246366361
2517551561
2629418841
2749443241
2833358081
2967992961
3090441961
31184254841

[3,7,23,71,643,457,311,191,2161,15791,5881,36721,
 156601,95471,275641,161831,712321,1171921,3384481,
 3659401,760321,7510801,16889161,6366361,17551561,
 29418841,49443241,33358081,67992961,90441961,
 184254841]