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A154655 as a simple table

na(n)
01
11
22
36
424
5120
6720
75040
830960
9172200
10899064
114553166
1222934774
13116914351
14610093513
153222826972
1617101449940
1790706002192
18479654768640
192527274267136
2013280313508416
2169734129749632
22366283822765632
231925290900630896
2410126754515065868

[1,1,2,6,24,120,720,5040,30960,172200,899064,
 4553166,22934774,116914351,610093513,3222826972,
 17101449940,90706002192,479654768640,
 2527274267136,13280313508416,69734129749632,
 366283822765632,1925290900630896,
 10126754515065868]