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A027039 as a simple table

na(n)
01
11
23
35
413
533
685
7221
8597
91655
104593
1112775
1235629
1399651
14279501
15786071
162252509
176460433
1818542169
1953260481
20153115765
21440572993
221268830877
233657435745
2410551936125
2530469329025
2688056216233
27256521698097

[1,1,3,5,13,33,85,221,597,1655,4593,12775,35629,
 99651,279501,786071,2252509,6460433,18542169,
 53260481,153115765,440572993,1268830877,
 3657435745,10551936125,30469329025,88056216233,
 256521698097]