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A030647 as a simple table

na(n)
126
2324
32652
416302
581081
6342056
71264120
84188834
912664184
1035405968
1192512368
12227854536
13532703874
141189056024
152546364040
165253305915
1710477865970
1820265831300
1938111646300
2069848806950
21125012625075

[26,324,2652,16302,81081,342056,1264120,4188834,
 12664184,35405968,92512368,227854536,532703874,
 1189056024,2546364040,5253305915,10477865970,
 20265831300,38111646300,69848806950,125012625075]