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A133683 as a simple table

na(n)
11
21
31
41
51
63
73
83
95
105
119
1211
1311
1419
1521
1629
1741
1843
1967
2083
21101
22149
23169
24235
25315
26371
27533
28653
29841
301163
311395
321907
332469
343077
354233
365259
376891
389171
3911413
4015357
4119689
4225195
4333699
4442515
4555909

[1,1,1,1,1,3,3,3,5,5,9,11,11,19,21,29,41,43,67,83,
 101,149,169,235,315,371,533,653,841,1163,1395,
 1907,2469,3077,4233,5259,6891,9171,11413,15357,
 19689,25195,33699,42515,55909]