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A223013 as a simple table

na(n)
12
24
37
418
541
6119
7295
8825
92060
105873
1115234
1242492
13111787
14313666
15836575
162327389
176276477
1817477473
1947431027
20131755956
21359950638
22999799707
232741682652
247613006585
2520955577878
2658193926348
27160583108286
28446091089120

[2,4,7,18,41,119,295,825,2060,5873,15234,42492,
 111787,313666,836575,2327389,6276477,17477473,
 47431027,131755956,359950638,999799707,2741682652,
 7613006585,20955577878,58193926348,160583108286,
 446091089120]