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A266497 as a simple table

na(n)
01
13
29
327
479
5225
6627
71717
84633
912341
1032501
1184737
12218959
13561263
141428287
153610671
169072367
1722668285
1856345835
19139382713
20343242533
21841713531
222055944117
235003148987
2412132552115
2529323810757
2670651867863
27169719163521
28406541986857
29971192810019

[1,3,9,27,79,225,627,1717,4633,12341,32501,84737,
 218959,561263,1428287,3610671,9072367,22668285,
 56345835,139382713,343242533,841713531,2055944117,
 5003148987,12132552115,29323810757,70651867863,
 169719163521,406541986857,971192810019]