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A113460 as a simple table

na(n)
11
22
33
43
55
67
75
811
917
1023
115
1211
1317
1423
1529
167
1737
1867
1997
20127
21157
227
23157
24307
25457
26607
27757
28907
2911
301210241
312420471
323630701
334840931
346051161
357261391
368471621
3711
3832671181
3965342351
4098013521
41130684691
42163355861
43196027031
44228698201
45261369371

[1,2,3,3,5,7,5,11,17,23,5,11,17,23,29,7,37,67,97,
 127,157,7,157,307,457,607,757,907,11,1210241,
 2420471,3630701,4840931,6051161,7261391,8471621,
 11,32671181,65342351,98013521,130684691,163355861,
 196027031,228698201,261369371]