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A320314 as a simple table

na(n)
11
21
33
43
57
69
719
825
953
1071
11149
12203
13423
14583
151209
161681
173473
184863
1910017
2014107
2128987
2241019
2384113
24119513
25244645
26348829
27712987
281019731
292081547
302985097
316086375
328749185
3317820657
3425671983
3552241825
3675402907
37153316715
38221673707
39450393329
40652234089

[1,1,3,3,7,9,19,25,53,71,149,203,423,583,1209,
 1681,3473,4863,10017,14107,28987,41019,84113,
 119513,244645,348829,712987,1019731,2081547,
 2985097,6086375,8749185,17820657,25671983,
 52241825,75402907,153316715,221673707,450393329,
 652234089]