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A308153 as a simple table

na(n)
11
21
33
47
519
647
7134
8357
91031
102912
118612
1225007
1375378
14223884
15683915
162067578
176376800
1819503546
1960749341
20187592661
21587938043
221831377952
235773159368
2418092820941
2557328904204
26180657986051
27574735018826
281820143698295
295810522774503
3018473074695503

[1,1,3,7,19,47,134,357,1031,2912,8612,25007,75378,
 223884,683915,2067578,6376800,19503546,60749341,
 187592661,587938043,1831377952,5773159368,
 18092820941,57328904204,180657986051,574735018826,
 1820143698295,5810522774503,18473074695503]