login

A052227 as a simple table

na(n)
01
15
227
3156
4935
55733
635700
7224808
81427679
99126975
1058659315
11378658800
122453288292
1315944020316
14103897691640
15678610095504
164441369072335
1729120107628115
18191233066114545
191257635016353100

[1,5,27,156,935,5733,35700,224808,1427679,9126975,
 58659315,378658800,2453288292,15944020316,
 103897691640,678610095504,4441369072335,
 29120107628115,191233066114545,1257635016353100]