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A353892 as a simple table

na(n)
01
10
20
30
40
50
620
7210
81960
918900
10194880
112166780
1226172080
13342599400
144835694864
1573208215080
161183011385920
1720318534134080
18369549843420384
197094851788127680
20143377043010268800
213042204544957939200
2267621161484919380800
231571319471977711258880

[1,0,0,0,0,0,20,210,1960,18900,194880,2166780,
 26172080,342599400,4835694864,73208215080,
 1183011385920,20318534134080,369549843420384,
 7094851788127680,143377043010268800,
 3042204544957939200,67621161484919380800,
 1571319471977711258880]