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A147038 as a simple table

na(n)
11
21
31
43
55
69
721
869
9305
101333
116087
1237147
13280959
142501123
1526363255
16322801403
174679667007
1881403804671
191686900283495
2041922642406637
211239283752468159
2243217375654523227
231785265760870915049
2487797244145177135687

[1,1,1,3,5,9,21,69,305,1333,6087,37147,280959,
 2501123,26363255,322801403,4679667007,81403804671,
 1686900283495,41922642406637,1239283752468159,
 43217375654523227,1785265760870915049,
 87797244145177135687]