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A243696 as a simple table

na(n)
01
11
24
327
4254
53048
644328
7755681
814750646
9323999500
107901623624
11211690439030
126176393964684
13194847458672328
146606138879434128
15239466033046020357
169239284257332493478
17377948418993992417644
1816335430070738649950536
19743711790322786003051882

[1,1,4,27,254,3048,44328,755681,14750646,
 323999500,7901623624,211690439030,6176393964684,
 194847458672328,6606138879434128,
 239466033046020357,9239284257332493478,
 377948418993992417644,16335430070738649950536,
 743711790322786003051882]