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A056144 as a simple table

na(n)
11
21
32
43
55
69
711
87
99
1027
1115
1221
1325
1413
1527
1649
1717
1833
1959
2019
2133
2269
2353
2445
2547
2661
2739
28117
2947
3029
3189
3231
3333
34161
3551
3675
37105
3837
3957
40159
4165
4241
43135
4443
4585
46251
4791
48139
4989
50127
51127
52171
53113
54157
55199
56131
5793
58227
5987
60117
61185
62121
63123
64227
6565

[1,1,2,3,5,9,11,7,9,27,15,21,25,13,27,49,17,33,59,
 19,33,69,53,45,47,61,39,117,47,29,89,31,33,161,51,
 75,105,37,57,159,65,41,135,43,85,251,91,139,89,
 127,127,171,113,157,199,131,93,227,87,117,185,121,
 123,227,65]