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A218790 as a simple table

na(n)
11
23
35
413
521
637
753
8117
9181
10309
11437
12693
13949
141717
151461
163509
175557
189653
1913749
2021941
2130133
2254709
2346517
2479285
25112053
26210357
27177589
28472501
29308661
30734645
31996789
322045365
333093941
345191093
357288245
3611482549
3715676853
3828259765
3924065461

[1,3,5,13,21,37,53,117,181,309,437,693,949,1717,
 1461,3509,5557,9653,13749,21941,30133,54709,46517,
 79285,112053,210357,177589,472501,308661,734645,
 996789,2045365,3093941,5191093,7288245,11482549,
 15676853,28259765,24065461]